exceptiontest.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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 * 
 * 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.
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 * and therefore, elected the GPL Version 2 license, then the option applies
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 * holder.
 */

package com.sun.jersey.impl.resource;

import com.sun.jersey.api.NotFoundException;
import com.sun.jersey.impl.AbstractResourceTester;
import com.sun.jersey.api.container.ContainerException;
import com.sun.jersey.api.client.ClientResponse;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.QueryParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;

/**
 *
 * @author [e-mail]
 */
public class ExceptionTest extends AbstractResourceTester {
    
    public ExceptionTest(String testName) {
        super(testName);
    }

    static public class CheckedException extends Exception {
        public CheckedException() {
            super();
        }
    }
    
    @Path("/exception/checked")
    static public class ExceptionCheckedResource { 
        @GET
        public String get() throws CheckedException {
            throw new CheckedException();
        }
    }

    public void testExceptionChecked() {
        initiateWebApplication(ExceptionCheckedResource.class);
        
        boolean caught = false;
        try {
            resource("/exception/checked").get(ClientResponse.class);
        } catch (ContainerException e) {
            caught = true;
            assertEquals(CheckedException.class, e.getCause().getClass());
        }
        assertTrue(caught);
    }
    
    @Path("/exception/runtime")
    static public class ExceptionRutimeResource { 
        @GET
        public String get() {
            throw new UnsupportedOperationException();
        }
    }
    
    public void testExceptionRuntime() {
        initiateWebApplication(ExceptionRutimeResource.class);
        
        boolean caught = false;
        try {
            resource("/exception/runtime").get(ClientResponse.class);
        } catch (UnsupportedOperationException e) {
            caught = true;
        }
        assertTrue(caught);
    }
    
    @Path("/exception/webapplication/{status}")
    static public class ExceptionWebApplicationResource { 
        @GET
        public String get(@PathParam("status") int status, @QueryParam("content") boolean content) {
            if (!content) {
                throw new WebApplicationException(status);
            } else
                throw new WebApplicationException(Response.status(status).
                        entity(Integer.toString(status)).build());
        }
    }
    
    public void test400StatusCode() {
        initiateWebApplication(ExceptionWebApplicationResource.class);

        ClientResponse cr = resource("/exception/webapplication/400", false).
                get(ClientResponse.class);        
        assertEquals(400, cr.getStatus());
    }
    
    public void test500StatusCode() {
        initiateWebApplication(ExceptionWebApplicationResource.class);

        ClientResponse cr = resource("/exception/webapplication/500", false).
                get(ClientResponse.class);        
        assertEquals(500, cr.getStatus());
    }
    
    @Provider
    public static class ExceptionMapper404 implements ExceptionMapper<WebApplicationException> {
        public Response toResponse(WebApplicationException we) {
            if (we.getResponse().getStatus() == 404) {
                return Response.status(404).entity("NOT FOUND").build();
            } else
                return null;
        }        
    }
    
    public void test404WithWebApplicationExceptionMapper() {
        initiateWebApplication(ExceptionMapper404.class, ExceptionWebApplicationResource.class);

        ClientResponse cr = resource("/exception/webapplication/400", false).
                get(ClientResponse.class);        
        assertEquals(400, cr.getStatus());
        
        cr = resource("/exception/webapplication/404", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("NOT FOUND", cr.getEntity(String.class));
        
        cr = resource("/exception/webapplication/404?content=true", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("404", cr.getEntity(String.class));
    }
    
    
    @Path("/exception/webapplication")
    static public class NotFoundWebApplicationResource { 
        @GET
        public String get() {
            throw new NotFoundException();
        }
    }
    
    public void testNotFoundExceptionMapper() {
        initiateWebApplication(ExceptionMapper404.class, NotFoundWebApplicationResource.class);

        ClientResponse cr = resource("/exception/webapplication", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("NOT FOUND", cr.getEntity(String.class));
    }
    
    
    @Provider
    public static class CheckedExceptionMapper404 implements ExceptionMapper<CheckedException> {
        public Response toResponse(CheckedException we) {
            return Response.status(404).entity("CheckedException").build();
        }        
    }
    
    public void testCheckedExceptionMapper404() {
        initiateWebApplication(CheckedExceptionMapper404.class, ExceptionCheckedResource.class);

        ClientResponse cr = resource("/exception/checked", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("CheckedException", cr.getEntity(String.class));
    }
    
    static public class SubCheckedException extends CheckedException {
        public SubCheckedException() {
            super();
        }
    }
    
    @Provider
    public static class SubCheckedExceptionMapper404 implements ExceptionMapper<SubCheckedException> {
        public Response toResponse(SubCheckedException we) {
            return Response.status(404).entity("SubCheckedException").build();
        }        
    }
    
    @Path("/exception/subchecked")
    static public class ExceptionSubCheckedResource { 
        @GET
        public String get() throws CheckedException {
            throw new SubCheckedException();
        }
    }
    
    public void testSubCheckedExceptionMapper404() {
        initiateWebApplication(CheckedExceptionMapper404.class, 
                SubCheckedExceptionMapper404.class, 
                ExceptionCheckedResource.class,
                ExceptionSubCheckedResource.class);

        ClientResponse cr = resource("/exception/checked", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("CheckedException", cr.getEntity(String.class));
        
        cr = resource("/exception/subchecked", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("SubCheckedException", cr.getEntity(String.class));
    }
    
    public void testNoSubCheckedExceptionMapper404() {
        initiateWebApplication(CheckedExceptionMapper404.class,
                ExceptionCheckedResource.class,
                ExceptionSubCheckedResource.class);

        ClientResponse cr = resource("/exception/checked", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("CheckedException", cr.getEntity(String.class));
        
        cr = resource("/exception/subchecked", false).
                get(ClientResponse.class);        
        assertEquals(404, cr.getStatus());
        assertEquals("CheckedException", cr.getEntity(String.class));
    }
}