com.esri.geoportal.commons.csw.client.impl.Profile.java Source code

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Here is the source code for com.esri.geoportal.commons.csw.client.impl.Profile.java

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/*
 * Copyright 2016 Esri, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.esri.geoportal.commons.csw.client.impl;

import static com.esri.core.geometry.Operator.Type.Contains;
import static com.esri.core.geometry.Operator.Type.Intersects;
import com.esri.geoportal.commons.csw.client.ICriteria;
import com.esri.geoportal.commons.csw.client.IProfile;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Templates;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.apache.commons.lang3.StringEscapeUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;

/**
 * Profile implementation.
 */
public class Profile implements IProfile {
    private final Logger LOG = LoggerFactory.getLogger(Profile.class);

    private String id;
    private String name;
    private String description;
    private String getRecordsReqXslt;
    private String getRecordsRspXslt;
    private String getRecordByIdReqKVP;
    private String getRecordByIdRspXslt;

    @Override
    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    @Override
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    @Override
    public String getKvp() {
        return getRecordByIdReqKVP;
    }

    public void setKvp(String getRecordByIdReqKVP) {
        this.getRecordByIdReqKVP = getRecordByIdReqKVP;
    }

    @Override
    public String getGetRecordsReqXslt() {
        return getRecordsReqXslt;
    }

    public void setGetRecordsReqXslt(String getRecordsReqXslt) {
        this.getRecordsReqXslt = getRecordsReqXslt;
    }

    public String getGetRecordsRspXslt() {
        return getRecordsRspXslt;
    }

    public void setGetRecordsRspXslt(String getRecordsRspXslt) {
        this.getRecordsRspXslt = getRecordsRspXslt;
    }

    public String getGetRecordByIdRspXslt() {
        return getRecordByIdRspXslt;
    }

    public void setGetRecordByIdRspXslt(String getRecordByIdRspXslt) {
        this.getRecordByIdRspXslt = getRecordByIdRspXslt;
    }

    @Override
    public String generateCSWGetRecordsRequest(ICriteria criteria) {
        String internalRequestXml = createInternalXmlRequest(criteria);
        try (ByteArrayInputStream internalRequestInputStream = new ByteArrayInputStream(
                internalRequestXml.getBytes("UTF-8"));
                InputStream reqXsltInputStream = Thread.currentThread().getContextClassLoader()
                        .getResourceAsStream(Constants.CONFIG_FOLDER_PATH + "/" + getGetRecordsReqXslt())) {

            // create internal request DOM
            DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = builderFactory.newDocumentBuilder();
            Document internalRequestDOM = builder.parse(new InputSource(internalRequestInputStream));

            // create transformer
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Templates template = transformerFactory.newTemplates(new StreamSource(reqXsltInputStream));
            Transformer transformer = template.newTransformer();

            // perform transformation
            StringWriter writer = new StringWriter();
            transformer.transform(new DOMSource(internalRequestDOM), new StreamResult(writer));

            return writer.toString();
        } catch (Exception ex) {
            LOG.warn("Error creating CSW get records request.", ex);
            return "";
        }
    }

    @Override
    public String generateCSWGetMetadataByIDRequestURL(String baseURL, String recordId) {
        StringBuilder sb = new StringBuilder();
        sb.append(baseURL).append(baseURL.endsWith("?") ? "" : baseURL.contains("?") ? "&" : "?").append(getKvp())
                .append("&ID=").append(recordId);
        return sb.toString();
    }

    @Override
    public String getResponsexslt() {
        return Constants.CONFIG_FOLDER_PATH + "/" + getGetRecordsRspXslt();
    }

    @Override
    public String getMetadataxslt() {
        return Constants.CONFIG_FOLDER_PATH + "/" + getGetRecordByIdRspXslt();
    }

    /**
     * Creates to internal xml request.
     *
     * @return string representing internal xml request
     */
    private String createInternalXmlRequest(ICriteria criteria) {
        String request = "<?xml version='1.0' encoding='UTF-8' ?>";
        request += "<GetRecords>" + "<StartPosition>" + criteria.getStartPosition() + "</StartPosition>";
        request += "<MaxRecords>" + criteria.getMaxRecords() + "</MaxRecords>";
        request += "<KeyWord>" + StringEscapeUtils.escapeXml11(criteria.getSearchText()) + "</KeyWord>";
        request += ("<LiveDataMap>" + criteria.isLiveDataAndMapsOnly() + "</LiveDataMap>");
        if (criteria.getEnvelope() != null) {
            request += ("<Envelope>");
            request += "<MinX>" + criteria.getEnvelope().getXMin() + "</MinX>";
            request += "<MinY>" + criteria.getEnvelope().getYMin() + "</MinY>";
            request += "<MaxX>" + criteria.getEnvelope().getXMax() + "</MaxX>";
            request += "<MaxY>" + criteria.getEnvelope().getYMax() + "</MaxY>";
            request += "</Envelope>";
            request += "<RecordsFullyWithinEnvelope>" + criteria.getOperation() == Contains
                    + "</RecordsFullyWithinEnvelope>";
            request += "<RecordsIntersectWithEnvelope>" + criteria.getOperation() == Intersects
                    + "</RecordsIntersectWithEnvelope>";

        }
        request += "</GetRecords>";

        return request;
    }

    @Override
    public String toString() {
        return String.format("PROFILE :: %s, %s", id, name);
    }
}