Java tutorial
/** * Copyright (C) 2007 - 2014 52North Initiative for Geospatial Open Source * Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If the program is linked with libraries which are licensed under one of * the following licenses, the combination of the program with the linked * library is not considered a "derivative work" of the program: * * Apache License, version 2.0 * Apache Software License, version 1.0 * GNU Lesser General Public License, version 3 * Mozilla Public License, versions 1.0, 1.1 and 2.0 * Common Development and Distribution License (CDDL), version 1.0 * * Therefore the distribution of the program linked with libraries licensed * under the aforementioned licenses, is permitted by the copyright holders * if the distribution is compliant with both the GNU General Public * License version 2 and the aforementioned licenses. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details. */ package org.n52.wps.test; import static org.hamcrest.MatcherAssert.assertThat; import static org.hamcrest.Matchers.anyOf; import static org.hamcrest.Matchers.containsString; import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.greaterThan; import static org.hamcrest.Matchers.is; import static org.hamcrest.Matchers.not; import static org.hamcrest.Matchers.nullValue; import static org.junit.Assert.assertTrue; import java.io.IOException; import java.io.InputStream; import java.io.StringReader; import java.net.URL; import java.net.URLConnection; import java.util.List; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import net.opengis.wps.x100.ComplexDataType; import net.opengis.wps.x100.DataType; import net.opengis.wps.x100.ExecuteResponseDocument; import net.opengis.wps.x100.ExecuteResponseDocument.ExecuteResponse.ProcessOutputs; import net.opengis.wps.x100.OutputDataType; import net.opengis.wps.x100.OutputReferenceType; import org.apache.commons.codec.binary.Base64; import org.geotools.coverage.grid.GridCoverage2D; import org.n52.wps.io.data.IData; import org.n52.wps.io.datahandler.parser.GeotiffParser; import org.w3c.dom.Document; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import org.xml.sax.SAXException; public class AllTestsIT { public static int getPort() { return Integer.parseInt(System.getProperty("test.port", "8080")); } public static String getHost() { return System.getProperty("test.host", "127.0.0.1"); } public static String getContext() { return System.getProperty("test.context", "/wps/WebProcessingService"); } public static String getURL() { return "http://" + getHost() + ":" + getPort() + getContext(); } public static Document parseXML(String xmlString) throws ParserConfigurationException, SAXException, IOException { DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); StringReader inStream = new StringReader(xmlString); InputSource inSource = new InputSource(inStream); return documentBuilder.parse(inSource); } public static void validateBinaryBase64Async(String response) throws IOException, ParserConfigurationException, SAXException { String referencedDocument = getAsyncDoc(response); assertThat(referencedDocument, referencedDocument, not(containsString("ExceptionReport"))); assertThat(referencedDocument, referencedDocument, containsString("ExecuteResponse")); assertThat(referencedDocument, referencedDocument, anyOf(containsString("AAEGAAMAAAABAAEAAAEVAAMAAAABA"), containsString("Tk9SVEg6IDIyOD"), containsString("SUkqAAgAAAASAAABAwABAAAAIwAA"))); } public static String getRefAsString(String response) throws ParserConfigurationException, SAXException, IOException { assertThat(response, response, not(containsString("ExceptionReport"))); assertThat(response, response, containsString("ProcessSucceeded")); assertThat(response, response, containsString("Reference")); Document doc = AllTestsIT.parseXML(response); NodeList executeResponse = doc.getElementsByTagName("wps:Reference"); assertThat(executeResponse.getLength(), greaterThan(0)); NamedNodeMap attributes = executeResponse.item(0).getAttributes(); String statusLocation = attributes.getNamedItem("href").getNodeValue(); String[] splittedURL = statusLocation.split("RetrieveResultServlet?"); assertThat(splittedURL.length, equalTo(2)); String referencedDocument = GetClient.sendRequest(splittedURL[0] + "RetrieveResultServlet", splittedURL[1]); return referencedDocument; } public static InputStream getRefAsStream(String response) throws ParserConfigurationException, SAXException, IOException { assertThat(response, response, not(containsString("ExceptionReport"))); assertThat(response, response, containsString("ProcessSucceeded")); assertThat(response, response, containsString("Reference")); Document doc = AllTestsIT.parseXML(response); NodeList executeResponse = doc.getElementsByTagName("wps:Reference"); assertThat(executeResponse.getLength(), greaterThan(0)); NamedNodeMap attributes = executeResponse.item(0).getAttributes(); String statusLocation = attributes.getNamedItem("href").getNodeValue(); String[] splittedURL = statusLocation.split("RetrieveResultServlet?"); assertThat(splittedURL.length, equalTo(2)); return GetClient.sendRequestForInputStream(splittedURL[0] + "RetrieveResultServlet", splittedURL[1]); } public static String getAsyncDoc(String response) throws IOException, ParserConfigurationException, SAXException { assertThat(response, response, not(containsString("ExceptionReport"))); assertThat(response, response, containsString("statusLocation")); Document doc; doc = AllTestsIT.parseXML(response); NodeList executeResponse = doc.getElementsByTagName("wps:ExecuteResponse"); assertThat(executeResponse.getLength(), greaterThan(0)); NamedNodeMap attributes = executeResponse.item(0).getAttributes(); String statusLocation = attributes.getNamedItem("statusLocation").getNodeValue(); String[] splittedURL = statusLocation.split("RetrieveResultServlet?"); assertThat(splittedURL.length, equalTo(2)); String referencedDocument = GetClient.sendRequest(splittedURL[0] + "RetrieveResultServlet", splittedURL[1]); assertThat(referencedDocument, referencedDocument, not(containsString("ExceptionReport"))); assertThat(referencedDocument, referencedDocument, containsString("Status")); for (int i = 0; i < 4; i++) { if (!referencedDocument.contains("ProcessSucceeded") && !referencedDocument.contains("ProcessFailed")) { try { System.out.println("WPS process still processing. Waiting..."); Thread.sleep(1000 * 3); referencedDocument = GetClient.sendRequest(splittedURL[0] + "RetrieveResultServlet", splittedURL[1]); } catch (InterruptedException ignore) { // do nothing } } else { return referencedDocument; } } throw new IOException("Test did not complete in allotted time"); } public static void checkContentDispositionOfRetrieveResultServlet(String response, String filename, String suffix) throws IOException, ParserConfigurationException, SAXException { String refResult = AllTestsIT.getAsyncDoc(response); ExecuteResponseDocument document = null; try { document = ExecuteResponseDocument.Factory.parse(refResult); } catch (Exception e) { System.err.println("Could not parse execute response document."); } assertThat(document, not(nullValue())); ProcessOutputs outputs = document.getExecuteResponse().getProcessOutputs(); assertThat(outputs, not(nullValue())); assertThat(outputs.sizeOfOutputArray(), not(0)); OutputDataType outputDataType = document.getExecuteResponse().getProcessOutputs().getOutputArray(0); assertThat(outputDataType, not(nullValue())); OutputReferenceType data = outputDataType.getReference(); assertThat(data, not(nullValue())); String url = data.getHref(); if (filename != null) { //concat filename to URL url = url.concat("&filename=" + filename); } URLConnection urlConnection = new URL(url).openConnection(); List<String> headerFields = urlConnection.getHeaderFields().get("Content-Disposition"); boolean oneHeaderFieldContainsFilename = false; for (String field : headerFields) { if (field.contains("filename")) { oneHeaderFieldContainsFilename = true; if (suffix != null && !suffix.equals("")) { assertTrue(field.endsWith(suffix + "\"")); } if (filename != null && !filename.equals("")) { assertTrue(field.contains(filename)); } } } assertTrue(oneHeaderFieldContainsFilename); } public static void checkReferenceXMLResult(String response, String stringThatShouldBeContained) throws ParserConfigurationException, SAXException, IOException { String referencedDocument = getRefAsString(response); assertThat(referencedDocument, referencedDocument, not(containsString("ExceptionReport"))); assertThat(referencedDocument, referencedDocument, containsString(stringThatShouldBeContained)); assertThat(AllTestsIT.parseXML(response), is(not(nullValue()))); } public static void checkReferenceBinaryResultBase64(String response) throws ParserConfigurationException, SAXException, IOException { assertThat(response, response, not(containsString("ExceptionReport"))); assertThat(response, response, containsString("ProcessSucceeded")); assertThat(response, response, containsString("Reference")); InputStream stream = getRefAsStream(response); GeotiffParser parser = new GeotiffParser(); IData data = parser.parseBase64(stream, "image/tiff", null); assertThat(data.getPayload() instanceof GridCoverage2D, is(true)); stream.close(); } public static void checkReferenceBinaryResultDefault(String response) throws ParserConfigurationException, SAXException, IOException { assertThat(response, response, not(containsString("ExceptionReport"))); assertThat(response, response, containsString("ProcessSucceeded")); assertThat(response, response, containsString("Reference")); InputStream stream = getRefAsStream(response); GeotiffParser parser = new GeotiffParser(); IData data = parser.parse(stream, "image/tiff", null); assertThat(data.getPayload() instanceof GridCoverage2D, is(true)); stream.close(); } public static void checkInlineResultBase64(String response) { ExecuteResponseDocument document = null; try { document = ExecuteResponseDocument.Factory.parse(response); } catch (Exception e) { System.err.println("Could not parse execute response document."); } assertThat(document, not(nullValue())); ProcessOutputs outputs = document.getExecuteResponse().getProcessOutputs(); assertThat(outputs, not(nullValue())); assertThat(outputs.sizeOfOutputArray(), not(0)); OutputDataType outputDataType = document.getExecuteResponse().getProcessOutputs().getOutputArray(0); assertThat(outputDataType, not(nullValue())); DataType data = outputDataType.getData(); assertTrue(data.isSetComplexData()); ComplexDataType complexData = outputDataType.getData().getComplexData(); assertThat(complexData, not(nullValue())); Node domNode = complexData.getDomNode(); assertThat(domNode, not(nullValue())); Node firstChild = domNode.getFirstChild(); assertThat(firstChild, not(nullValue())); String nodeValue = firstChild.getNodeValue(); assertThat(nodeValue, not(nullValue())); assertTrue(Base64.isBase64(nodeValue)); } }