ancestorstest.java

resetful样式的ws样例,一种面向资源的webservices服务

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 *
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 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
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 * or jersey/legal/LICENSE.txt.  See the License for the specific
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 */

package com.sun.jersey.impl.subresources;

import com.sun.jersey.impl.AbstractResourceTester;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;

/**
 *
 * @author [e-mail]
 */
public class AncestorsTest extends AbstractResourceTester {
    
    public AncestorsTest(String testName) {
        super(testName);
    }
    
    @Path("/node")
    static public class Node { 
        int n = 0;
        
        public Node() {}
        
        private Node(int i) { this.n = i; }
        
        @Path("node") public Node getChild() {            
            return new Node(n + 1);
        }        
        
        @GET public String get(@Context UriInfo ui) {
            assertEquals(n + 1, ui.getAncestorResources().size());
            assertEquals(n + 1, ui.getAncestorResourceURIs().size());
            
            for (int i = 0; i <= n; i++) {
                Node node = (Node)ui.getAncestorResources().get(i);
                assertEquals(n - i, node.n);
            }
            
            for (int i = 0; i <= n; i++) {
                String p = ui.getAncestorResourceURIs().get(i);
                assertEquals(getPath(n - i), p);
            }
            
            return Integer.toString(n);
        }
        
        @Path("leaf") @GET public String getSub(@Context UriInfo ui) {
            assertEquals(n + 1 + 1, ui.getAncestorResources().size());
            assertEquals(n + 1 + 1, ui.getAncestorResourceURIs().size());
            
            Node node = (Node)ui.getAncestorResources().get(0);
            assertEquals(n, node.n);            
            for (int i = 0; i <= n; i++) {
                node = (Node)ui.getAncestorResources().get(i + 1);
                assertEquals(n - i, node.n);
            }
            
            String p = ui.getAncestorResourceURIs().get(0);
            assertEquals(getPathLeaf(n), p);            
            for (int i = 0; i <= n; i++) {
                p = ui.getAncestorResourceURIs().get(i + 1);
                assertEquals(getPath(n - i), p);
            }
            
            return Integer.toString(n);        
        }
        
        protected String getPath(int n) {
            String p = "node";
            for (int i = 1; i <= n; i++)
                p += "/node";
            return p;
        }
        
        protected String getPathLeaf(int n) {
            return getPath(n) + "/leaf";
        }        
    }
    
    
    public void testNode() {
        initiateWebApplication(Node.class);
        
        assertEquals("0", resource("/node").get(String.class));
        assertEquals("1", resource("/node/node").get(String.class));
        assertEquals("2", resource("/node/node/node").get(String.class));
        assertEquals("3", resource("/node/node/node/node").get(String.class));    
    }    
    
    public void testNodeLeaf() {
        initiateWebApplication(Node.class);
        
        assertEquals("0", resource("/node/leaf").get(String.class));
        assertEquals("1", resource("/node/node/leaf").get(String.class));
        assertEquals("2", resource("/node/node/node/leaf").get(String.class));
        assertEquals("3", resource("/node/node/node/node/leaf").get(String.class));    
    }
    
    @Path("/node/")
    static public class NodeSlash { 
        int n = 0;
        
        public NodeSlash() {}
        
        private NodeSlash(int i) { this.n = i; }
        
        @Path("node/") public NodeSlash getChild() {            
            return new NodeSlash(n + 1);
        }
        
        @GET public String get(@Context UriInfo ui) {
            assertEquals(n + 1, ui.getAncestorResources().size());
            assertEquals(n + 1, ui.getAncestorResourceURIs().size());
            
            for (int i = 0; i <= n; i++) {
                NodeSlash node = (NodeSlash)ui.getAncestorResources().get(i);
                assertEquals(n - i, node.n);
            }
            
            for (int i = 0; i <= n; i++) {
                String p = ui.getAncestorResourceURIs().get(i);
                assertEquals(getPath(n - i), p);
            }
            
            return Integer.toString(n);
        }
        
        @Path("leaf/") @GET public String getSub(@Context UriInfo ui) {
            assertEquals(n + 1 + 1, ui.getAncestorResources().size());
            assertEquals(n + 1 + 1, ui.getAncestorResourceURIs().size());
            
            NodeSlash node = (NodeSlash)ui.getAncestorResources().get(0);
            assertEquals(n, node.n);            
            for (int i = 0; i <= n; i++) {
                node = (NodeSlash)ui.getAncestorResources().get(i + 1);
                assertEquals(n - i, node.n);
            }
            
            String p = ui.getAncestorResourceURIs().get(0);
            assertEquals(getPathLeaf(n), p);            
            for (int i = 0; i <= n; i++) {
                p = ui.getAncestorResourceURIs().get(i + 1);
                assertEquals(getPath(n - i), p);
            }
            
            return Integer.toString(n);        
        }
        
        protected String getPath(int n) {
            String p = "node/";
            for (int i = 1; i <= n; i++)
                p += "node/";
            return p;
        }
        
        protected String getPathLeaf(int n) {
            return getPath(n) + "leaf/";
        }
    }
    
    public void testNodeSlash() {
        initiateWebApplication(NodeSlash.class);
        
        assertEquals("0", resource("/node/").get(String.class));
        assertEquals("1", resource("/node/node/").get(String.class));
        assertEquals("2", resource("/node/node/node/").get(String.class));
        assertEquals("3", resource("/node/node/node/node/").get(String.class));    
    }    
    
    public void testNodeLeafSlash() {
        initiateWebApplication(NodeSlash.class);
        
        assertEquals("0", resource("/node/leaf/").get(String.class));
        assertEquals("1", resource("/node/node/leaf/").get(String.class));
        assertEquals("2", resource("/node/node/node/leaf/").get(String.class));
        assertEquals("3", resource("/node/node/node/node/leaf/").get(String.class));    
    }    
}