Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package com.amalto.workbench.utils; import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileReader; import java.io.IOException; import java.io.StringReader; import java.util.ArrayList; import java.util.Base64; import java.util.Base64.Encoder; import java.util.HashMap; import java.util.Iterator; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.http.Header; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.auth.AuthScope; import org.apache.http.auth.UsernamePasswordCredentials; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.Element; import org.dom4j.io.SAXReader; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.models.TreeObject; public class ResourcesUtil { private static Log log = LogFactory.getLog(ResourcesUtil.class); // Handle it using an HTTP client connector private static final String dmURI = "/pubcomponent/secure/dataModels";//$NON-NLS-1$ private static final String cmURI = "/pubcomponent/secure/customTypesSets";//$NON-NLS-1$ private static final String picURI = "/pubcomponent/secure/pictures";//$NON-NLS-1$ public static void main(String[] args) { // init(); // getXMLString("http://localhost:8080"+picURI); // getResourcesNameListFromURI("http://localhost:8080"+cmURI); // getResourcesMapFromURI("http://localhost:8080"+cmURI); try { postResourcesFromFile("demo2", "d:/bud.xsd", "http://localhost:8080" + cmURI);//$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$ } catch (Exception e) { log.error(e.getMessage(), e); } } private static String getXMLString(String uri, TreeObject treeObject) { String responseBody = "";//$NON-NLS-1$ try { responseBody = HttpClientUtil.getStringContentByHttpget(uri, treeObject.getUsername(), treeObject.getPassword()); } catch (XtentisException e) { log.error(e.getMessage(), e); } return responseBody; } public static HashMap<String, String> getResourcesMapFromURI(String uri, TreeObject treeObject) { HashMap<String, String> contentMap = new HashMap<String, String>(); String responseBody = getXMLString(uri, treeObject); Document document = parsXMLString(responseBody); if (document == null) { return contentMap; } for (Iterator iterator = document.getRootElement().elementIterator("entry"); iterator.hasNext();) {//$NON-NLS-1$ Element element = (Element) iterator.next(); Element nameElement = element.element("name");//$NON-NLS-1$ Element uriElement = element.element("uri");//$NON-NLS-1$ if (nameElement != null && uriElement != null) { contentMap.put(nameElement.getStringValue(), uriElement.getStringValue()); } else { contentMap.put(element.getStringValue(), uri + "/" + element.getStringValue());//$NON-NLS-1$ } } return contentMap; } public static List<String> getResourcesNameListFromURI(String uri, TreeObject treeObject) throws Exception { List<String> nameList = new ArrayList<String>(); String responseBody = getXMLString(uri, treeObject); // nameList=getNameList(responseBody); Document document = parsXMLString(responseBody); if (document == null) { return nameList; } for (Iterator iterator = document.getRootElement().elementIterator("entry"); iterator.hasNext();) {//$NON-NLS-1$ Element element = (Element) iterator.next(); Element nameElement = element.element("name");//$NON-NLS-1$ if (nameElement != null) { nameList.add(nameElement.getStringValue()); } else { nameList.add(element.getStringValue()); } } return nameList; } public static void postResourcesFromFile(String typeName, String pathName, String uri) throws Exception { File file = new File(pathName); FileReader fr = new FileReader(file); BufferedReader br = new BufferedReader(fr); postResourcesFromContentString(br.readLine(), uri, typeName); br.close(); fr.close(); } // it does not work,there is already a method "uploadImageFile" in Util, // developer can use that method to upload a image file. /* * public static void postPicFromFile(String typeName,String pathName,String uriPre) throws Exception { String * content=readFileAsString(pathName); String uri=uriPre+"imageserver/secure/ImageUploadServlet"; // String * uri=uriPre+picURI; postResourcesFromContentString(content,uri,typeName); } */ private static String readFileAsString(String fileName) throws Exception { FileInputStream fis = new FileInputStream(fileName); BufferedInputStream in = new BufferedInputStream(fis); byte buffer[] = new byte[256]; StringBuffer picStr = new StringBuffer(); Encoder encoder = Base64.getEncoder(); while (in.read(buffer) >= 0) { picStr.append(encoder.encodeToString(buffer)); } fis.close(); fis = null; in.close(); in = null; buffer = null; return picStr.toString(); } public static void postResourcesFromContentString(String content, String uri, String typeName) throws Exception { log.info(content); HttpPost httppost = new HttpPost(uri); List<BasicNameValuePair> nvps = new ArrayList<BasicNameValuePair>(); nvps.add(new BasicNameValuePair("domainObjectName", typeName));//$NON-NLS-1$ nvps.add(new BasicNameValuePair("domainObjectContent", content));//$NON-NLS-1$ httppost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8)); postContent(uri, httppost); } private static void postContent(String uri, HttpPost httppost) throws Exception, IOException { DefaultHttpClient httpclient = new DefaultHttpClient(); httpclient.getCredentialsProvider().setCredentials( new AuthScope(getEndpointHost(uri), Integer.valueOf(getEndpointPort(uri))), new UsernamePasswordCredentials("admin", "talend"));//$NON-NLS-1$//$NON-NLS-2$ log.info(Messages.ResourcesUtil_Loginfo + httppost.getRequestLine()); HttpResponse response = httpclient.execute(httppost); HttpEntity entity = response.getEntity(); try { Header[] headers = response.getAllHeaders(); String responseString = null; if (response.getEntity() != null) { responseString = EntityUtils.toString(response.getEntity()); } } finally { if (entity != null) { entity.consumeContent(); // release connection gracefully } } if (entity != null) { entity.consumeContent(); } httpclient.getConnectionManager().shutdown(); } private static Document parsXMLString(String responseBody) { SAXReader saxReader = new SAXReader(); Document document = null; try { document = saxReader.read(new StringReader(responseBody)); } catch (DocumentException e) { return null; } return document; } public static String getEndpointHost(String uri) { if (uri != null) { int startPos = uri.indexOf("//") + 2;//$NON-NLS-1$ int endPos = uri.indexOf(":", startPos);//$NON-NLS-1$ if (startPos != -1) { if (endPos != -1) { return uri.substring(startPos, endPos); } else { endPos = uri.indexOf("/", startPos); //$NON-NLS-1$ if (endPos != -1) { return uri.substring(startPos, endPos); } } } } return uri; } public static String getEndpointPort(String uri) { if (uri != null) { String[] splitString = uri.split(":", 3);//$NON-NLS-1$ if (splitString.length == 3 && splitString[splitString.length - 1] != null) { return splitString[2].substring(0, splitString[2].indexOf("/"));//$NON-NLS-1$ } if (splitString.length == 2) { return "80"; } } return uri; } }