Java tutorial
/* * Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. licenses this file to you 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 att.jaxrs.client; import att.jaxrs.util.Constants; import att.jaxrs.util.Marshal; import att.jaxrs.util.Util; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; 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 javax.xml.bind.annotation.XmlAccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlType; import java.io.IOException; import java.util.ArrayList; import java.util.List; /** * Created by prindu on 08/10/14. */ @XmlType @XmlAccessorType(XmlAccessType.FIELD) public class Library { private long content_id; private int category_id; private String title, url, published_date; public Library(String published_date, int category_id, String title, String url) { this.published_date = published_date; this.category_id = category_id; this.title = title; this.url = url; } public Library(long content_id, String published_date, int category_id, String title, String url) { this.published_date = published_date; this.category_id = category_id; this.content_id = content_id; this.title = title; this.url = url; } public Library() { } public static String addLibrary(Library library) { List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair("category_id", Integer.toString(library.getCategory_id()))); urlParameters.add(new BasicNameValuePair("title", library.getTitle())); urlParameters.add(new BasicNameValuePair("published_date", library.getPublished_date())); urlParameters.add(new BasicNameValuePair("url", library.getUrl())); HttpResponse result; String resultStr = ""; try { DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost post = new HttpPost(Constants.INSERT_LIBRARY_RESOURCE); post.setEntity(new UrlEncodedFormEntity(urlParameters)); result = httpClient.execute(post); System.out.println(Constants.RESPONSE_STATUS_CODE + result); resultStr = Util.getStringFromInputStream(result.getEntity().getContent()); System.out.println(Constants.RESPONSE_BODY + resultStr); } catch (Exception e) { System.out.println(e.getMessage()); } return resultStr; } public static long getExistingRecord(String title, int category_id) { List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair("title", title)); urlParameters.add(new BasicNameValuePair("category_id", Long.valueOf(category_id).toString())); HttpResponse result; String resultStr; LibraryCollection libraryCollection = new LibraryCollection(); try { System.out.println("invoking getExistingRecord, Title: " + title + ", Category ID: " + category_id); DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost post = new HttpPost(Constants.SELECT_LAST_ADDED_LIBRARY_RESOURCE); post.setEntity(new UrlEncodedFormEntity(urlParameters)); result = httpClient.execute(post); System.out.println(Constants.RESPONSE_STATUS_CODE + result); resultStr = Util.getStringFromInputStream(result); libraryCollection = Marshal.unmarshal(LibraryCollection.class, resultStr); } catch (Exception e) { System.out.println(e.getMessage()); e.printStackTrace(); } if (null != libraryCollection.getLibrary()) { return libraryCollection.getLibrary()[0].getContent_id(); } return -1; } public static String updateLibrary(Library library) { List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair("category_id", Integer.toString(library.getCategory_id()))); urlParameters.add(new BasicNameValuePair("title", library.getTitle())); urlParameters.add(new BasicNameValuePair("published_date", library.getPublished_date())); urlParameters.add(new BasicNameValuePair("url", library.getUrl())); String resultStr = ""; try { DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost post = new HttpPost(Constants.UPDATE_LIBRARY_RESOURCE); post.setEntity(new UrlEncodedFormEntity(urlParameters)); HttpResponse result = httpClient.execute(post); System.out.println(Constants.RESPONSE_STATUS_CODE + result); resultStr = Util.getStringFromInputStream(result); System.out.println(Constants.RESPONSE_BODY + resultStr); System.out.println("testing $$$$$$$$$$$$$$$$$$$$$$"); } catch (Exception e) { System.out.println(e.getMessage()); } return resultStr; } public static Library selectWithKeyLibraryResource(long content_id) { List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair("content_id", Long.toString(content_id))); LibraryCollection libraryCollection = new LibraryCollection(); try { DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost post = new HttpPost(Constants.SELECT_WITH_KEY_LIBRARY_RESOURCE); post.setEntity(new UrlEncodedFormEntity(urlParameters)); HttpResponse result = httpClient.execute(post); System.out.println(Constants.RESPONSE_STATUS_CODE + result); String resultStr = Util.getStringFromInputStream(result); System.out.println(Constants.RESPONSE_BODY + resultStr); System.out.println("##################################"); libraryCollection = Marshal.unmarshal(LibraryCollection.class, resultStr); } catch (Exception e) { System.out.println(e.getMessage()); } if (libraryCollection.getLibrary().length == 1) { return libraryCollection.getLibrary()[0]; } return null; } public static String deleteLibrary(long content_id) { List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair("content_id", Long.toString(content_id))); String resultStr = ""; try { DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost post = new HttpPost(Constants.DELETE_LIBRARY_RESOURCE); post.setEntity(new UrlEncodedFormEntity(urlParameters)); HttpResponse result = httpClient.execute(post); System.out.println(Constants.RESPONSE_STATUS_CODE + result); resultStr = Util.getStringFromInputStream(result.getEntity().getContent()); System.out.println(Constants.RESPONSE_BODY + resultStr); } catch (Exception e) { System.out.println(e.getMessage()); } return resultStr; } public static Library[] getLibraries() { // Sent HTTP GET request to query Library table GetMethod get = new GetMethod(Constants.SELECT_ALL_LIBRARY_OPERATION); LibraryCollection collection = new LibraryCollection(); HttpClient httpClient = new HttpClient(); try { int result = httpClient.executeMethod(get); System.out.println(Constants.RESPONSE_STATUS_CODE + result); collection = Marshal.unmarshal(LibraryCollection.class, get.getResponseBodyAsStream()); } catch (IOException e) { e.printStackTrace(); } finally { get.releaseConnection(); } if (null != collection.getLibrary() && collection.getLibrary().length > 0) { return collection.getLibrary(); } else { System.out.println("unmarshalling returned empty collection"); } return null; } public Long getContent_id() { return content_id; } public void setContent_id(long content_id) { this.content_id = content_id; } public int getCategory_id() { return category_id; } public void setCategory_id(int category_id) { this.category_id = category_id; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getUrl() { return url; } private void setUrl(String url) { this.url = url; } public String getPublished_date() { return published_date; } public void setPublished_date(String published_date) { this.published_date = published_date; } @Override public String toString() { return "Content: id=" + getContent_id() + ", Title=" + getTitle(); } }