Java tutorial
/************************************************************************* * Copyright 2009-2012 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. * * This file may incorporate work covered under the following copyright * and permission notice: * * Software License Agreement (BSD License) * * Copyright (c) 2008, Regents of the University of California * All rights reserved. * * Redistribution and use of this software in source and binary forms, * with or without modification, are permitted provided that the * following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE * THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL, * COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE, * AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING * IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, * SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, * WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION, * REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO * IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT * NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS. ************************************************************************/ package com.eucalyptus.http; import java.net.MalformedURLException; import java.net.URI; import java.net.URL; import java.util.Map; import java.util.Set; import org.apache.commons.codec.DecoderException; import org.apache.commons.codec.net.URLCodec; import org.apache.log4j.Logger; import org.jboss.netty.handler.codec.http.HttpHeaders; import org.jboss.netty.handler.codec.http.HttpMethod; import org.jboss.netty.handler.codec.http.HttpRequest; import org.jboss.netty.handler.codec.http.HttpVersion; import com.eucalyptus.component.ServiceConfiguration; import com.eucalyptus.component.ServiceUris; import com.google.common.collect.Maps; import com.google.common.collect.Sets; import edu.ucsb.eucalyptus.msgs.BaseMessage; public class MappingHttpRequest extends MappingHttpMessage implements HttpRequest { private static Logger LOG = Logger.getLogger(MappingHttpRequest.class); private HttpMethod method; private String uri; private String servicePath; private String query; private final Map<String, String> parameters; //Parameters are URLDecoded when populated private final Map<String, String> rawParameters; //Parameters in raw, non-decoded form private final Set<String> nonQueryParameterKeys; private final Map<String, String> formFields; private String restNamespace; public MappingHttpRequest(HttpVersion httpVersion, HttpMethod method, String uri) { super(httpVersion); this.method = method; this.uri = uri; try { URL url = new URL("http://eucalyptus" + uri); this.servicePath = url.getPath(); this.parameters = Maps.newHashMap(); this.rawParameters = Maps.newHashMap(); this.nonQueryParameterKeys = Sets.newHashSet(); this.query = this.query == url.getQuery() ? this.query : url.getQuery();// new URLCodec().decode(url.toURI( ).getQuery( ) ).replaceAll( " ", "+" ); this.formFields = Maps.newHashMap(); this.populateParameters(); } catch (MalformedURLException e) { throw new RuntimeException(e); } } private void populateParameters() { if (this.query != null && !"".equals(this.query)) { for (String p : this.query.split("&")) { //split with limit = 2 to account for "="s in the value itself String[] splitParam = p.split("=", 2); String lhs = splitParam[0]; String rhs = splitParam.length == 2 ? splitParam[1] : null; this.rawParameters.put(lhs, rhs); try { if (lhs != null) lhs = new URLCodec().decode(lhs); } catch (DecoderException e) { } try { if (rhs != null) rhs = new URLCodec().decode(rhs); } catch (DecoderException e) { } this.parameters.put(lhs, rhs); } } } /** * Constructor for outbound requests. */ public MappingHttpRequest(final HttpVersion httpVersion, final HttpMethod method, final ServiceConfiguration serviceConfiguration, final Object source) { super(httpVersion); this.method = method; URI fullUri = ServiceUris.internal(serviceConfiguration); this.uri = fullUri.toString(); this.servicePath = fullUri.getPath(); this.query = null; this.parameters = null; this.rawParameters = null; this.nonQueryParameterKeys = null; this.formFields = null; this.message = source; if (source instanceof BaseMessage) this.setCorrelationId(((BaseMessage) source).getCorrelationId()); this.addHeader(HttpHeaders.Names.HOST, fullUri.getHost() + ":" + fullUri.getPort()); } /** * Constructor for outbound requests. */ public MappingHttpRequest(final HttpVersion httpVersion, final HttpMethod method, final String host, final int port, final String servicePath, final Object source) { super(httpVersion); this.method = method; this.uri = "http://" + host + ":" + port + servicePath; this.servicePath = servicePath; this.query = null; this.parameters = null; this.rawParameters = null; this.nonQueryParameterKeys = null; this.formFields = null; this.message = source; if (source instanceof BaseMessage) this.setCorrelationId(((BaseMessage) source).getCorrelationId()); this.addHeader(HttpHeaders.Names.HOST, host + ":" + port); } @Override public void setMessage(Object message) { if (message instanceof BaseMessage) { ((BaseMessage) message).setCorrelationId(this.getCorrelationId()); } super.setMessage(message); } public String getServicePath() { return this.servicePath; } public void setServicePath(String servicePath) { this.servicePath = servicePath; } public String getQuery() { return this.query; } public void setQuery(String query) { try { this.query = new URLCodec().decode(query); } catch (DecoderException e) { this.query = query; } this.populateParameters(); } @Override public HttpMethod getMethod() { return this.method; } @Override public void setMethod(final HttpMethod httpMethod) { this.method = httpMethod; } @Override public String getUri() { return this.uri; } @Override public void setUri(final String uri) { this.uri = uri; } @Override public String toString() { return this.getMethod().toString() + ' ' + this.getUri() + ' ' + super.getProtocolVersion().getText(); } public Map<String, String> getParameters() { return parameters; } public Map<String, String> getRawParameters() { return rawParameters; } public void addNonQueryParameterKeys(final Set<String> keys) { if (nonQueryParameterKeys != null) { nonQueryParameterKeys.addAll(keys); } } public boolean isQueryParameter(final String key) { return nonQueryParameterKeys != null && !nonQueryParameterKeys.contains(key); } public String getRestNamespace() { return restNamespace; } public void setRestNamespace(String restNamespace) { this.restNamespace = restNamespace; } public Map getFormFields() { return formFields; } public String getAndRemoveHeader(String key) { String value = getHeader(key); removeHeader(key); return value; } @Override public String logMessage() { StringBuffer buf = new StringBuffer(); buf.append("============================================\n"); buf.append("HTTP").append(this.getProtocolVersion()).append(" ").append(this.getMethod()).append(" ") .append(this.getUri()).append("\n"); for (String s : this.getHeaderNames()) { buf.append(s).append(": ").append(this.getHeader(s)).append("\n"); } buf.append("============================================\n"); buf.append(this.getContent().toString("UTF-8")).append("\n"); buf.append("============================================\n"); return buf.toString(); } }