org.ow2.aspirerfid.ide.masterdata.tools.MasterDataCaptureClient.java Source code

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Here is the source code for org.ow2.aspirerfid.ide.masterdata.tools.MasterDataCaptureClient.java

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/*
 * Copyright (C) 2008-2010, Aspire
 * 
 * Aspire is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2.1 as published by
 * the Free Software Foundation (the "LGPL").
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library in the file COPYING-LGPL-2.1; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied. See the GNU Lesser General Public License
 * for the specific language governing rights and limitations.
 */

package org.ow2.aspirerfid.ide.masterdata.tools;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.math.BigDecimal;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Properties;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;
import javax.xml.namespace.QName;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.ow2.aspirerfid.commons.epcis.model.AttributeType;
import org.ow2.aspirerfid.commons.epcis.model.EPCISMasterDataBodyType;
import org.ow2.aspirerfid.commons.epcis.model.ObjectFactory;
import org.ow2.aspirerfid.commons.epcis.model.EPCISMasterDataDocumentType;
import org.ow2.aspirerfid.commons.epcis.model.VocabularyElementListType;
import org.ow2.aspirerfid.commons.epcis.model.VocabularyElementType;
import org.ow2.aspirerfid.commons.epcis.model.VocabularyListType;
import org.ow2.aspirerfid.commons.epcis.model.VocabularyType;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * This client provides access to the repository's Capture Operations Module
 * through the Master Data capture interface.
 * 
 * @author Nikos Kefalakis(nkef)
 */
public class MasterDataCaptureClient {

    private static final String PROPERTY_FILE = "/captureclient.properties";
    private static final String PROPERTY_CAPTURE_URL = "default.url";

    /**
     * The logger.
     */
    private static Log log = LogFactory.getLog(MasterDataCaptureClient.class);

    /**
     * The URL String at which the Capture Operations Module listens.
     */
    private String captureUrl;

    private Properties props = new Properties();

    /**
     * Constructs a new MasterDataCaptureClient which connects to the Capture
     * Operations Module listening at the default URL.
     */
    public MasterDataCaptureClient() {
        this(null);
    }

    /**
     * Constructs a new MasterDataCaptureClient which connects to the Capture
     * Operations Module listening at the given URL.
     * 
     * @param url
     *            The URL at which the capture service listens.
     */
    public MasterDataCaptureClient(final String url) {

        // set the URL
        if (url != null || url.equals("")) {
            captureUrl = url;
        } else {
            log.error("EPCIS Client Capture EndPoint is Empty. Please set one");
        }
    }

    /**
     * Send the XML available from the given InputStream to the repository for
     * capturing.
     * 
     * @param xmlStream
     *            A stream providing an EPCISDocument which contains a list of
     *            events inside the EPCISBody element.
     * @return The HTTP response code from the repository.
     * @throws IOException
     *             If an error sending the document occurred.
     */
    public int capture(final InputStream xmlStream) throws IOException {
        return doPost(xmlStream, "text/xml");
    }

    /**
     * Send the given XML String to the repository for capturing.
     * 
     * @param eventXml
     *            The XML String consisting of an EPCISDocument which in turn
     *            contains a list of events inside the EPCISBody element.
     * @return The HTTP response code from the repository.
     * @throws IOException
     *             If an error sending the document occurred.
     */
    public int capture(final String eventXml) throws IOException {
        return doPost(eventXml, "text/xml");
    }

    /**
     * Send the given EPCISDocumentType to the repository for capturing.
     * 
     * @param epcisDoc
     *            The EPCISDocument containing a list of events inside the
     *            EPCISBody element.
     * @return The HTTP response code from the repository.
     * @throws IOException
     *             If an error sending the document occurred.
     * @throws JAXBException
     *             If an error serializing the given document into XML occurred.
     */
    public int capture(final EPCISMasterDataDocumentType epcisMasterDataDoc) throws IOException, JAXBException {
        StringWriter writer = new StringWriter();
        ObjectFactory objectFactory = new ObjectFactory();
        JAXBContext context = JAXBContext.newInstance("org.ow2.aspirerfid.commons.epcis.model");
        JAXBElement<EPCISMasterDataDocumentType> item = objectFactory
                .createEPCISMasterDataDocument(epcisMasterDataDoc);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
        marshaller.marshal(item, writer);

        log.debug("Jaxb data: \n" + writer.toString());

        return capture(writer.toString());
    }

    /**
     * (nkef) Alter, A vocabulary's Element URI.
     * 
     * @param vocabularyType
     * @param oldVocabularyElementURI
     * @param newVocabularyElementURI
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataAlter(String vocabularyType, String oldVocabularyElementURI,
            String newVocabularyElementURI) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(oldVocabularyElementURI + "#" + newVocabularyElementURI);
            vocabularyElement.getOtherAttributes().put(new QName("mode"), "2");

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Insert, a vocabulary's Element .
     * 
     * @param vocabularyType
     * @param vocabularyElementURI
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataInsert(String vocabularyType, String vocabularyElementURI) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyElementURI);
            vocabularyElement.getOtherAttributes().put(new QName("mode"), "1");

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Insert, many vocabulary's Elements .
     * 
     * @param vocabularyType
     * @param vocabularyElementURIs
     *            ArrayList<String>
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataMassInsert(String vocabularyType, ArrayList<String> vocabularyElementURIs) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            for (String vocabularyElementURI : vocabularyElementURIs) {
                VocabularyElementType vocabularyElement = new VocabularyElementType();

                vocabularyElement.setId(vocabularyElementURI);
                vocabularyElement.getOtherAttributes().put(new QName("mode"), "1");
                vocabularyElementList.getVocabularyElement().add(vocabularyElement);
            }

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Delete a vocabulary's Element . When using delete only the element
     * with its attributes can be deleted.
     * 
     * @param vocabularyType
     * @param vocabularyElementURI
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataSingleDelete(String vocabularyType, String vocabularyElementURI) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyElementURI);
            vocabularyElement.getOtherAttributes().put(new QName("mode"), "3");

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Delete many vocabulary's Elements . When using delete only the
     * elements with its attributes will be deleted.
     * 
     * @param vocabularyType
     * @param vocabularyElementURIs
     *            ArrayList<String>
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataMassDelete(String vocabularyType, ArrayList<String> vocabularyElementURIs) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            for (String vocabularyElementURI : vocabularyElementURIs) {
                VocabularyElementType vocabularyElement = new VocabularyElementType();
                vocabularyElement.setId(vocabularyElementURI);
                vocabularyElement.getOtherAttributes().put(new QName("mode"), "3");
                vocabularyElementList.getVocabularyElement().add(vocabularyElement);
            }

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Delete a vocabulary's Element with its direct or indirect
     * descendants. The element with its attributes and with all its children
     * elements and its children's attributes.
     * 
     * @param vocabularyType
     * @param vocabularyElementURI
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataDeleteWithDescendants(String vocabularyType, String vocabularyElementURI) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyElementURI);
            vocabularyElement.getOtherAttributes().put(new QName("mode"), "4");

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Delete a vocabulary's Elements with its direct or indirect
     * descendants. The elements with its attributes and with all its children
     * elements and its children's attributes will be deleted.
     * 
     * @param vocabularyType
     * @param vocabularyElementURIs ArrayList<String>
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataMassDeleteWithDescendants(String vocabularyType,
            ArrayList<String> vocabularyElementURIs) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            for (String vocabularyElementURI : vocabularyElementURIs) {
                VocabularyElementType vocabularyElement = new VocabularyElementType();
                vocabularyElement.setId(vocabularyElementURI);
                vocabularyElement.getOtherAttributes().put(new QName("mode"), "4");
                vocabularyElementList.getVocabularyElement().add(vocabularyElement);
            }

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef)This Method Remains for Backwards compatibility Reasons. Insert,
     * Update or Delete a vocabulary's Element . When using delete mode either
     * only the element with its attributes can be deleted or the element with
     * its attributes and with all its children elements and its children's
     * attributes. when using insert mode if the Vocabulary element is not
     * inserted yet it will be inserted.
     * 
     * @param vocabularyType
     * @param vocabularyElementURI
     *            For using the alter URI mode (2) the Old URI with the new one
     *            should be given at the "vocabularyElementURI" parameter merged
     *            together with the "#" sign between them (e.g.
     *            "urn:epcglobal:old#urn:epcglobal:new").
     * @param mode
     *            1: insert((it can be anything except 2,3,4)) 2: alterURI 3:
     *            singleDelete 4: Delete element with it's direct or indirect
     *            descendants
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataEdit(String vocabularyType, String vocabularyElementURI, String mode) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyElementURI);
            vocabularyElement.getOtherAttributes().put(new QName("mode"), mode);

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * (nkef) Mass Insert or Update a vocabulary's Element Attributes. If the
     * Vocabulary is not inserted yet it will be inserted. The vocabularyURI,
     * vocabularyAttribute pair should be unique so if it already exists it will
     * be changed to the vocabularyAttribute entered or simply rewrite it.
     * 
     * @param vocabularyType
     * @param vocabularyURI
     * @param vocAttributes
     *            <vocabularyAttributeID,vocabularyAttributeValue>
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataAndMassAttributeInsertOrAlter(String vocabularyType, String vocabularyURI,
            HashMap<String, String> vocAttributes) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyURI);
            // vocabularyElement.getOtherAttributes().put(new QName("mode"),
            // "1");

            for (String vocabularyAttributeID : vocAttributes.keySet()) {

                AttributeType attribute = new AttributeType();
                if (vocabularyAttributeID.startsWith("urn:epcglobal:epcis:mda:")) {
                    attribute.setId(vocabularyAttributeID);
                } else {
                    attribute.setId("urn:epcglobal:epcis:mda:" + vocabularyAttributeID);
                }

                attribute.getOtherAttributes().put(new QName("value"), vocAttributes.get(vocabularyAttributeID));

                vocabularyElement.getAttribute().add(attribute);
            }

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
     * (nkef) Insert or Update a vocabulary's Element Attribute. If the
     * Vocabulary is not inserted yet it will be inserted. The vocabularyURI,
     * vocabularyAttribute pair should be unique so if it already exists it will
     * be changed to the vocabularyAttribute entered or simply rewrite it.
     * 
     * @param vocabularyType
     * @param vocabularyURI
     * @param vocabularyAttribute
     * @param vocabularyAttributeValue
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataAndAttributeInsertOrAlter(String vocabularyType, String vocabularyURI,
            String vocabularyAttribute, String vocabularyAttributeValue) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyURI);
            // vocabularyElement.getOtherAttributes().put(new QName("mode"),
            // "1");

            AttributeType attribute = new AttributeType();
            if (vocabularyAttribute.startsWith("urn:epcglobal:epcis:mda:")) {
                attribute.setId(vocabularyAttribute);
            } else {
                attribute.setId("urn:epcglobal:epcis:mda:" + vocabularyAttribute);
            }

            // attribute.getOtherAttributes().put(new QName("mode"), mode);

            // Element attributeTypeElement = null;
            // try {
            // DocumentBuilderFactory dbf =
            // DocumentBuilderFactory.newInstance();
            // DocumentBuilder db;
            // db = dbf.newDocumentBuilder();
            // Document document = db.newDocument();
            // attributeTypeElement =
            // document.createElement("attributeTypeElement");
            // attributeTypeElement.setAttribute("attribute",
            // vocabularyAttributeValue);
            // }
            // catch (ParserConfigurationException e) {
            // // TODO Auto-generated catch block
            // e.printStackTrace();
            // }
            // attribute.getAny().add(attributeTypeElement);

            attribute.getOtherAttributes().put(new QName("value"), vocabularyAttributeValue);

            vocabularyElement.getAttribute().add(attribute);

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
     * (nkef) Delete a vocabulary's Element Attribute.
     * 
     * @param vocabularyType
     * @param vocabularyURI
     * @param vocabularyAttribute
     * @param vocabularyAttributeValue
     * @return true if the method Succeeds false otherwise
     * 
     * @param vocabularyType
     * @param vocabularyURI
     * @param vocabularyAttributes
     *            ArrayList<String>
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataAttributeMassDelete(String vocabularyType, String vocabularyURI,
            ArrayList<String> vocabularyAttributeIDs) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyURI);

            for (String vocabularyAttribute : vocabularyAttributeIDs) {

                AttributeType attribute = new AttributeType();
                if (vocabularyAttribute.startsWith("urn:epcglobal:epcis:mda:")) {
                    attribute.setId(vocabularyAttribute);
                } else {
                    attribute.setId("urn:epcglobal:epcis:mda:" + vocabularyAttribute);
                }
                attribute.getOtherAttributes().put(new QName("mode"), "3");

                attribute.getOtherAttributes().put(new QName("value"), "null");

                vocabularyElement.getAttribute().add(attribute);
            }

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
     * (nkef) Delete a vocabulary's Element Attribute.
     * 
     * @param vocabularyType
     * @param vocabularyURI
     * @param vocabularyAttribute
     * @param vocabularyAttributeValue
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataAttributeDelete(String vocabularyType, String vocabularyURI,
            String vocabularyAttribute) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyURI);

            AttributeType attribute = new AttributeType();

            if (vocabularyAttribute.startsWith("urn:epcglobal:epcis:mda:")) {
                attribute.setId(vocabularyAttribute);
            } else {
                attribute.setId("urn:epcglobal:epcis:mda:" + vocabularyAttribute);
            }
            attribute.getOtherAttributes().put(new QName("mode"), "3");

            attribute.getOtherAttributes().put(new QName("value"), "null");

            vocabularyElement.getAttribute().add(attribute);

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
     * (nkef)This Method Remains for Backwards compatibility Reasons. Insert,
     * Update, Delete a vocabulary's Element Attribute. If the Vocabulary is not
     * inserted yet it will be inserted. The vocabularyURI, vocabularyAttribute
     * pair should be unique so if it already exists it will be changed to the
     * vocabularyAttribute entered or simply rewrite it.
     * 
     * @param vocabularyType
     * @param vocabularyURI
     * @param vocabularyAttribute
     * @param vocabularyAttributeValue
     * @param mode
     *            1: Insert (optional, is kept for backwards compatibility (it
     *            can be anything except 3)) 2: Alter Attribute Value (optional,
     *            is kept for backwards compatibility(it can be anything except
     *            3)) 3: Delete Attribute (required)
     * @return true if the method Succeeds false otherwise
     */
    public boolean simpleMasterDataAndAttributeEdit(String vocabularyType, String vocabularyURI,
            String vocabularyAttribute, String vocabularyAttributeValue, String mode) {
        try {

            VocabularyType vocabulary = new VocabularyType();
            VocabularyElementListType vocabularyElementList = new VocabularyElementListType();
            VocabularyListType vocabularyList = new VocabularyListType();

            vocabulary.setType(vocabularyType);

            VocabularyElementType vocabularyElement = new VocabularyElementType();

            vocabularyElement.setId(vocabularyURI);
            // vocabularyElement.getOtherAttributes().put(new QName("mode"),
            // "1");

            AttributeType attribute = new AttributeType();
            if (vocabularyAttribute.startsWith("urn:epcglobal:epcis:mda:")) {
                attribute.setId(vocabularyAttribute);
            } else {
                attribute.setId("urn:epcglobal:epcis:mda:" + vocabularyAttribute);
            }

            attribute.getOtherAttributes().put(new QName("mode"), mode);

            if (mode.equals("3")) {
                attribute.getOtherAttributes().put(new QName("value"), "null");
            } else {
                attribute.getOtherAttributes().put(new QName("value"), vocabularyAttributeValue);
            }

            vocabularyElement.getAttribute().add(attribute);

            vocabularyElementList.getVocabularyElement().add(vocabularyElement);

            vocabulary.setVocabularyElementList(vocabularyElementList);

            vocabularyList.getVocabulary().add(vocabulary);

            EPCISMasterDataDocumentType epcisMasterDataDoc = new EPCISMasterDataDocumentType();
            EPCISMasterDataBodyType epcisMasterDataBody = new EPCISMasterDataBodyType();

            epcisMasterDataBody.setVocabularyList(vocabularyList);
            epcisMasterDataDoc.setEPCISBody(epcisMasterDataBody);
            epcisMasterDataDoc.setSchemaVersion(new BigDecimal("1.0"));
            epcisMasterDataDoc.setCreationDate(getCurrentTime());

            int httpResponseCode = this.capture(epcisMasterDataDoc);
            if (httpResponseCode != 200) {
                log.debug("The Master Data could NOT be captured!\n");
                return false;
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        } catch (JAXBException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        return true;
    }

    private XMLGregorianCalendar getCurrentTime() {
        // get the current time and set the eventTime
        XMLGregorianCalendar now = null;
        try {
            DatatypeFactory dataFactory = DatatypeFactory.newInstance();
            now = dataFactory.newXMLGregorianCalendar(new GregorianCalendar());
            log.debug("Event Time:" + now.getHour() + ":" + now.getMinute() + ":" + ":" + now.getSecond() + "\n");
        } catch (DatatypeConfigurationException e) {
            e.printStackTrace();
        }

        return now;

    }

    /**
     * Invokes the dbReset operation in the Capture Module deleting all event
     * data in the EPCIS database. This operation is only allowed if the
     * corresponding property is set in the repository's configuration.
     * 
     * @return The response from the capture module.
     * @throws IOException
     *             If a communication error occurred.
     */
    public int dbReset() throws IOException {
        String formParam = "dbReset=true";
        return doPost(formParam, "application/x-www-form-urlencoded");

    }

    /**
     * Opens a connection to the capture module.
     * 
     * @param contentType
     *            The HTTP content-type, e.g., <code>text/xml</code>
     * @return The HTTP connection object.
     * @throws IOException
     */
    private HttpURLConnection getConnection(final String contentType) throws IOException {
        URL serviceUrl = new URL(captureUrl);
        HttpURLConnection connection = (HttpURLConnection) serviceUrl.openConnection();
        connection.setRequestProperty("content-type", contentType);
        connection.setRequestMethod("POST");
        connection.setDoInput(true);
        connection.setDoOutput(true);
        return connection;
    }

    /**
     * Send data to the repository's capture operation using HTTP POST. The data
     * will be sent using the given content-type.
     * 
     * @param data
     *            The data to send.
     * @return The HTTP response message
     * @throws IOException
     *             If an error on the HTTP layer occurred.
     */
    private int doPost(final String data, final String contentType) throws IOException {
        HttpURLConnection connection = getConnection(contentType);
        // write the data
        OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
        wr.write(data);
        wr.flush();
        wr.close();

        return connection.getResponseCode();
    }

    /**
     * Send data to the repository's capture operation using HTTP POST. The data
     * will be sent using the given content-type.
     * 
     * @param data
     *            The data to send.
     * @return The HTTP response message from the repository.
     * @throws IOException
     *             If an error on the HTTP layer occurred.
     */
    private int doPost(final InputStream data, final String contentType) throws IOException {
        HttpURLConnection connection = getConnection(contentType);
        // read from input and write to output
        OutputStream os = connection.getOutputStream();
        int b;
        while ((b = data.read()) != -1) {
            os.write(b);
        }
        os.flush();
        os.close();

        return connection.getResponseCode();
    }

    /**
     * @return The URL String at which the Capture Operations Module listens.
     */
    public String getCaptureUrl() {
        return captureUrl;
    }

    /**
     * @param url
     *            The new URL String to which this client should connect.
     */
    public void setCaptureUrl(final String url) {
        this.captureUrl = url;
    }
}