Java tutorial
/******************************************************************************* * Copyright (c) 2014 Alexandr Tsvetkov. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser General Public License * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/lgpl.html * * Contributors: * Alexandr Tsvetkov - initial API and implementation * * Project: * TAO Data Processor * * License agreement: * * 1. This code is published AS IS. Author is not responsible for any damage that can be * caused by any application that uses this code. * 2. Author does not give a garantee, that this code is error free. * 3. This code can be used in NON-COMMERCIAL applications AS IS without any special * permission from author. * 4. This code can be modified without any special permission from author IF AND ONLY IF * this license agreement will remain unchanged. ******************************************************************************/ package ua.at.tsvetkov.data_processor.requests; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import org.apache.http.Header; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.message.BasicNameValuePair; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.protocol.HttpContext; import ua.at.tsvetkov.data_processor.Scheme; import ua.at.tsvetkov.util.Log; public class PostRequest extends WebRequest { private List<BasicNameValuePair> nameValuePairs = new ArrayList<BasicNameValuePair>(); private Header header; private PostRequest() { } /** * Return new instance of PostRequest. When building a {@link ua.at.tsvetkov.data_processor.requests.PostRequest PostRequest} methods * must be called first, before {@link ua.at.tsvetkov.data_processor.requests.Request Request} methods * * @return */ public static PostRequest newInstance() { return new PostRequest(); } @Override public InputStream getInputStream() throws IOException { if (!isBuild()) { throw new IllegalArgumentException(REQUEST_IS_NOT_BUILDED); } startTime = System.currentTimeMillis(); HttpConnectionParams.setConnectionTimeout(httpParameters, configuration.getTimeout()); HttpConnectionParams.setSoTimeout(httpParameters, configuration.getTimeout()); HttpPost httpPost = new HttpPost(toString()); httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, encoding)); httpPost.setParams(httpParameters); if (header != null) { httpPost.addHeader(header); } printToLogUrl(); printToLogPairs(); return getResponce(httpPost); } /** * Added POST parameter * * @param name * @param value * @return */ public PostRequest addPostParam(String name, String value) { nameValuePairs.add(new BasicNameValuePair(name, value)); return this; } // ******************************************************************************** /** * Directly assign full URL string. All other URL methods will be ignored * * @param url */ public PostRequest setUrl(String url) { this.url = url; return this; } /** * Set custom HttpParams. * * @return */ public PostRequest setHttpParameters(HttpParams httpParameters) { this.httpParameters = httpParameters; return this; } /** * Set custom HttpContext. * * @return */ public PostRequest setHttpContext(HttpContext httpContext) { this.httpContext = httpContext; return this; } /** * Set encoding * * @param encoding */ public PostRequest setEncoding(String encoding) { this.encoding = encoding; return this; } /** * Sets the scheme "http://". * * @return */ public PostRequest setSchemeHttp() { this.scheme = Scheme.HTTP.toString(); return this; } /** * Sets the scheme "https://". * * @return */ public PostRequest setSchemeHttps() { this.scheme = Scheme.HTTPS.toString(); return this; } /** * Sets the scheme "file://". * * @return */ public PostRequest setSchemeFile() { this.scheme = Scheme.HTTPS.toString(); return this; } /** * Sets your scheme. * * @param scheme * @return */ public PostRequest setScheme(String scheme) { this.scheme = scheme; return this; } /** * Set User Info. * * @param username * @param password * @return */ public PostRequest setUserInfo(String username, String password) { this.username = username; this.password = password; return this; } /** * Set host. * * @param host * @return */ public PostRequest setHost(String host) { this.host = host; return this; } /** * Set port. * * @param port * @return */ public PostRequest setPort(String port) { this.port = port; return this; } /** * Set path * * @param path * @return */ public PostRequest setPath(String path) { this.path = path; return this; } public PostRequest setLogTag(String tag) { this.tag = tag; return this; } public PostRequest setHeader(Header header) { this.header = header; return this; } /** * Add to query GET parameter. * * @param key * @param value * @return */ public PostRequest addGetParam(String key, String value) { if (queries == null) { queries = new HashMap<String, String>(); } queries.put(key, value); return this; } /** * Add to query GET parameter. * * @param key * @param value * @return */ public PostRequest addGetParam(String key, int value) { if (queries == null) { queries = new HashMap<String, String>(); } queries.put(key, String.valueOf(value)); return this; } /** * Add to query GET parameter. * * @param key * @param value * @return */ public PostRequest addGetParam(String key, long value) { if (queries == null) { queries = new HashMap<String, String>(); } queries.put(key, String.valueOf(value)); return this; } /** * Add to query GET parameter. * * @param key * @param value * @return */ public PostRequest addGetParam(String key, float value) { if (queries == null) { queries = new HashMap<String, String>(); } queries.put(key, String.valueOf(value)); return this; } /** * Add to query GET parameter. * * @param key * @param value * @return */ public PostRequest addGetParam(String key, double value) { if (queries == null) { queries = new HashMap<String, String>(); } queries.put(key, String.valueOf(value)); return this; } /** * Add fragment. * * @param fragment * @return */ public PostRequest addFragment(String fragment) { this.fragment = fragment; return this; } /** * Save received data to cache file. Skip it if exist. * * @param cacheFileName */ public PostRequest saveToCacheFile(String cacheFileName) { this.cacheFileName = cacheFileName; this.isRewriteFile = false; return this; } /** * Save received data to cache file. Rewrite it if exist. * * @param cacheFileName */ public PostRequest rewriteCacheFile(String cacheFileName) { this.cacheFileName = cacheFileName; this.isRewriteFile = true; return this; } protected void printToLogPairs() { if (configuration.isLogEnabled()) { for (int i = 0; i < nameValuePairs.size(); i++) { BasicNameValuePair pair = nameValuePairs.get(i); Log.v("ValuePair " + pair.getName() + " = " + pair.getValue()); } } } }