Java tutorial
/** * ************************************************************************ * Copyright (C) 2010 Atlas of Living Australia All Rights Reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for * the specific language governing rights and limitations under the License. * ************************************************************************* */ package org.ala.spatial.util; import java.io.File; import java.io.FileWriter; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.UsernamePasswordCredentials; import org.apache.commons.httpclient.methods.PutMethod; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.auth.AuthScope; import org.apache.commons.httpclient.methods.FileRequestEntity; import org.apache.commons.httpclient.methods.RequestEntity; /** * UploadSpatialResource helps with loading any dynamically generated spatial * data into geoserver. * <p/> * Main code from: * http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/trunk/src/examples/BasicAuthenticationExample.java?view=log * * @author ajay */ public class UploadSpatialResource { /** * HTTP request type PUT */ public static final int PUT = 0; /** * HTTP request type POST */ public static final int POST = 1; /** * Contructor for UploadSpatialResource */ public UploadSpatialResource() { super(); } public static String loadResource(String url, String extra, String username, String password, String resourcepath) { String output = ""; HttpClient client = new HttpClient(); client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password)); File input = new File(resourcepath); PutMethod put = new PutMethod(url); put.setDoAuthentication(true); //put.addRequestHeader("Content-type", "application/zip"); // Request content will be retrieved directly // from the input stream RequestEntity entity = new FileRequestEntity(input, "application/zip"); put.setRequestEntity(entity); // Execute the request try { int result = client.executeMethod(put); // get the status code System.out.println("Response status code: " + result); // Display response System.out.println("Response body: "); System.out.println(put.getResponseBodyAsString()); output += result; } catch (Exception e) { System.out.println("Something went wrong with UploadSpatialResource"); e.printStackTrace(System.out); } finally { // Release current connection to the connection pool once you are done put.releaseConnection(); } return output; } public static String loadSld(String url, String extra, String username, String password, String resourcepath) { System.out.println("loadSld url:" + url); System.out.println("path:" + resourcepath); String output = ""; HttpClient client = new HttpClient(); client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password)); File input = new File(resourcepath); PutMethod put = new PutMethod(url); put.setDoAuthentication(true); // Request content will be retrieved directly // from the input stream RequestEntity entity = new FileRequestEntity(input, "application/vnd.ogc.sld+xml"); put.setRequestEntity(entity); // Execute the request try { int result = client.executeMethod(put); // get the status code System.out.println("Response status code: " + result); // Display response System.out.println("Response body: "); System.out.println(put.getResponseBodyAsString()); output += result; } catch (Exception e) { System.out.println("Something went wrong with UploadSpatialResource"); e.printStackTrace(System.out); } finally { // Release current connection to the connection pool once you are done put.releaseConnection(); } return output; } public static String loadCreateStyle(String url, String extra, String username, String password, String name) { System.out.println("loadCreateStyle url:" + url); System.out.println("name:" + name); String output = ""; HttpClient client = new HttpClient(); client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password)); PostMethod post = new PostMethod(url); post.setDoAuthentication(true); // Execute the request try { // Request content will be retrieved directly // from the input stream File file = File.createTempFile("sld", "xml"); System.out.println("file:" + file.getPath()); FileWriter fw = new FileWriter(file); fw.append("<style><name>" + name + "</name><filename>" + name + "</filename></style>"); fw.close(); RequestEntity entity = new FileRequestEntity(file, "text/xml"); post.setRequestEntity(entity); int result = client.executeMethod(post); // get the status code System.out.println("Response status code: " + result); // Display response System.out.println("Response body: "); System.out.println(post.getResponseBodyAsString()); output += result; } catch (Exception e) { System.out.println("Something went wrong with UploadSpatialResource"); e.printStackTrace(System.out); } finally { // Release current connection to the connection pool once you are done post.releaseConnection(); } return output; } public static String assignSld(String url, String extra, String username, String password, String data) { System.out.println("assignSld url:" + url); System.out.println("data:" + data); String output = ""; HttpClient client = new HttpClient(); client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password)); PutMethod put = new PutMethod(url); put.setDoAuthentication(true); // Execute the request try { // Request content will be retrieved directly // from the input stream File file = File.createTempFile("sld", "xml"); System.out.println("file:" + file.getPath()); FileWriter fw = new FileWriter(file); fw.append(data); fw.close(); RequestEntity entity = new FileRequestEntity(file, "text/xml"); put.setRequestEntity(entity); int result = client.executeMethod(put); // get the status code System.out.println("Response status code: " + result); // Display response System.out.println("Response body: "); System.out.println(put.getResponseBodyAsString()); output += result; } catch (Exception e) { System.out.println("Something went wrong with UploadSpatialResource"); e.printStackTrace(System.out); } finally { // Release current connection to the connection pool once you are done put.releaseConnection(); } return output; } /** * sends a PUT or POST call to a URL using authentication and including a * file upload * * @param type one of UploadSpatialResource.PUT for a PUT call or * UploadSpatialResource.POST for a POST call * @param url URL for PUT/POST call * @param username account username for authentication * @param password account password for authentication * @param resourcepath local path to file to upload, null for no file to * upload * @param contenttype file MIME content type * @return server response status code as String or empty String if * unsuccessful */ public static String httpCall(int type, String url, String username, String password, String resourcepath, String contenttype) { String output = ""; HttpClient client = new HttpClient(); client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(username, password)); RequestEntity entity = null; if (resourcepath != null) { File input = new File(resourcepath); entity = new FileRequestEntity(input, contenttype); } HttpMethod call = null; ; if (type == PUT) { PutMethod put = new PutMethod(url); put.setDoAuthentication(true); if (entity != null) { put.setRequestEntity(entity); } call = put; } else if (type == POST) { PostMethod post = new PostMethod(url); if (entity != null) { post.setRequestEntity(entity); } call = post; } else { SpatialLogger.log("UploadSpatialResource", "invalid type: " + type); return output; } // Execute the request try { int result = client.executeMethod(call); output += result; } catch (Exception e) { SpatialLogger.log("UploadSpatialResource", "failed upload to: " + url); } finally { // Release current connection to the connection pool once you are done call.releaseConnection(); } return output; } }