formwriter.java

来自「resetful样式的ws样例,一种面向资源的webservices服务」· Java 代码 · 共 120 行

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/* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. *  * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. *  * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License").  You * may not use this file except in compliance with the License. You can obtain * a copy of the License at https://jersey.dev.java.net/CDDL+GPL.html * or jersey/legal/LICENSE.txt.  See the License for the specific * language governing permissions and limitations under the License. *  * When distributing the software, include this License Header Notice in each * file and include the License file at jersey/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code.  If applicable, add the following below the License * Header, with the fields enclosed by brackets [] replaced by your own * identifying information: "Portions Copyrighted [year] * [name of copyright owner]" *  * Contributor(s): *  * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license."  If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above.  However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. *//* * The contents of this file are subject to the terms * of the Common Development and Distribution License * (the "License").  You may not use this file except * in compliance with the License. * * You can obtain a copy of the license at * http://www.opensource.org/licenses/cddl1.php * See the License for the specific language governing * permissions and limitations under the License. *//* * FormWriter.java * * Created on November 21, 2007, 11:28 AM * */package com.sun.jersey.samples.entityprovider;import java.io.IOException;import java.io.OutputStream;import java.lang.annotation.Annotation;import java.lang.reflect.Type;import java.util.Hashtable;import javax.ws.rs.ProduceMime;import javax.ws.rs.core.MediaType;import javax.ws.rs.core.MultivaluedMap;import javax.ws.rs.ext.MessageBodyWriter;import javax.ws.rs.ext.Provider;/** * * @author mh124079 */@ProduceMime("text/html")@Providerpublic class FormWriter implements MessageBodyWriter<Hashtable<String, String>> {    public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations) {        return Hashtable.class.isAssignableFrom(type);    }    public long getSize(Hashtable<String,String> data) {        return -1;    }    public void writeTo(Hashtable<String,String> data,             Class<?> type, Type genericType, Annotation[] annotations,            MediaType mediaType, MultivaluedMap<String, Object> headers,             OutputStream out) throws IOException {        out.write(preamble.getBytes());        for (String name: data.keySet()) {            out.write("<tr><td>".getBytes());            out.write(name.getBytes());            out.write("</td><td>".getBytes());            out.write(data.get(name).getBytes());            out.write("</td></tr>".getBytes());                    }        out.write(postamble.getBytes());    }        private static String preamble = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'>\n" +            "<html><head><title>Data</title></head>\n" +            "<body><p>Add Data:</p>\n" +            "<form name='pair' action='data' method='POST'>\n" +            "<table>\n" +            "   <tr>\n" +            "       <td align='right'>Name:</td>\n" +            "       <td><input type='text' name='name' value='' size='30' /></td>\n" +            "   </tr>\n" +            "   <tr>\n" +            "       <td align='right'>Value:</td>\n" +            "       <td><input type='text' name='value' value='' size='30' /></td>\n" +            "   </tr>\n" +            "   <tr><td></td><td><input type='submit' value='Set' name='submit' /></td></tr>\n" +            "</table></form>\n" +            "<p>Current Data:</p><table><tr><th>Name</th><th>Value</th></tr>\n";        private static String postamble = "</table></body></html>";    }

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