bookstore.java

resetful样式的ws样例,一种面向资源的webservices服务

/*
 *
 * 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
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 * 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.
 */

package com.sun.jersey.samples.bookstore.resources;

import com.sun.jersey.api.NotFoundException;
import com.sun.jersey.spi.resource.Singleton;
import java.util.Map;
import java.util.TreeMap;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;

@Path("/")
@Singleton
public class Bookstore {    
    private final Map<String, Item> items = new TreeMap<String, Item>();
    
    private String name;
    
    public Bookstore() {
        setName("Czech Bookstore");
        getItems().put("1", new Book("Svejk", "Jaroslav Hasek"));
        getItems().put("2", new Book("Krakatit", "Karel Capek"));
        getItems().put("3", new CD("Ma Vlast 1", "Bedrich Smetana", new Track[]{
            new Track("Vysehrad",180),
            new Track("Vltava",172),
            new Track("Sarka",32)}));
    }
    
    @Path("items/{itemid}/")
    public Item getItem(@PathParam("itemid") String itemid) {
        Item i = getItems().get(itemid);
        if (i == null)
            throw new NotFoundException("Item, " + itemid + ", is not found");
        
        return i;
    }
    
    public long getSystemTime() {
        return System.currentTimeMillis();
    }

    public Map<String, Item> getItems() {
        return items;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}