bundles/org.eclipse.equinox.http.servlet.tests/src/org/eclipse/equinox/http/servlet/testbase/BaseTest.java - equinox/rt.equinox.bundles - Git at Google

 /*******************************************************************************
  * Copyright (c) 2014, 2018 Raymond Augé and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     Raymond Augé <raymond.auge@liferay.com> - initial implementation
  ******************************************************************************/

 package org.eclipse.equinox.http.servlet.testbase;

 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;

 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
 import javax.servlet.RequestDispatcher;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;

 import org.eclipse.equinox.http.servlet.context.ContextPathCustomizer;
 import org.eclipse.equinox.http.servlet.tests.bundle.Activator;
 import org.eclipse.equinox.http.servlet.tests.bundle.BundleAdvisor;
 import org.eclipse.equinox.http.servlet.tests.bundle.BundleInstaller;
 import org.eclipse.equinox.http.servlet.tests.util.ServletRequestAdvisor;
 import org.junit.After;
 import org.junit.Before;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.BundleException;
 import org.osgi.framework.ServiceFactory;
 import org.osgi.framework.ServiceReference;
 import org.osgi.framework.ServiceRegistration;
 import org.osgi.service.http.HttpService;
 import org.osgi.service.http.context.ServletContextHelper;
 import org.osgi.service.http.runtime.HttpServiceRuntime;
 import org.osgi.service.http.runtime.HttpServiceRuntimeConstants;
 import org.osgi.util.tracker.ServiceTracker;

 public class BaseTest {

 	@Before
 	public void setUp() throws Exception {
 		// Quiet logging for tests
 		System.setProperty("/.LEVEL", "OFF");
 		System.setProperty("org.eclipse.jetty.server.LEVEL", "OFF");
 		System.setProperty("org.eclipse.jetty.servlet.LEVEL", "OFF");

 		System.setProperty("org.osgi.service.http.port", "0");
 		BundleContext bundleContext = getBundleContext();
 		installer = new BundleInstaller(TEST_BUNDLES_BINARY_DIRECTORY, bundleContext);
 		advisor = new BundleAdvisor(bundleContext);
 		startBundles();
 		stopJetty();
 		runtimeTracker = new ServiceTracker<>(bundleContext, HttpServiceRuntime.class, null);
 		runtimeTracker.open();
 		runtimeTracker.waitForService(100);
 		startJetty();
 	}

 	@After
 	public void tearDown() throws Exception {
 		for (ServiceRegistration<? extends Object> serviceRegistration : registrations) {
 			serviceRegistration.unregister();
 		}
 		runtimeTracker.close();
 		stopJetty();
 		stopBundles();
 		requestAdvisor = null;
 		advisor = null;
 		registrations.clear();
 		try {
 			installer.shutdown();
 		} finally {
 			installer = null;
 		}
 	}

 	protected String doRequest(String action, Map<String, String> params) throws IOException {
 		return doRequestGetResponse(action, params).get("responseBody").get(0);
 	}

 	protected Map<String, List<String>> doRequestGetResponse(String action, Map<String, String> params) throws IOException {
 		StringBuilder requestInfo = new StringBuilder(PROTOTYPE);
 		requestInfo.append(action);
 		if (!params.isEmpty()) {
 			boolean firstParam = true;
 			for (Map.Entry<String, String> param : params.entrySet()) {
 				if (firstParam) {
 					requestInfo.append('?');
 					firstParam = false;
 				} else {
 					requestInfo.append('&');
 				}
 				requestInfo.append(param.getKey());
 				requestInfo.append('=');
 				requestInfo.append(param.getValue());
 			}
 		}
 		return requestAdvisor.request(requestInfo.toString(), null);
 	}

 	protected BundleContext getBundleContext() {
 		return Activator.getBundleContext();
 	}

 	protected String getContextPath() {
 		return getJettyProperty("context.path", "");
 	}

 	protected HttpService getHttpService() {
 		ServiceReference<HttpService> serviceReference = getBundleContext().getServiceReference(HttpService.class);
 		return getBundleContext().getService(serviceReference);
 	}

 	protected String getJettyProperty(String key, String defaultValue) {
 		String qualifiedKey = JETTY_PROPERTY_PREFIX + key;
 		String value = getProperty(qualifiedKey);
 		if (value == null) {
 			value = defaultValue;
 		}
 		return value;
 	}

 	protected String getPort() {
 		String defaultPort = getProperty(OSGI_HTTP_PORT_PROPERTY);
 		if (defaultPort == null) {
 			defaultPort = "80";
 		}
 		return getJettyProperty("port", defaultPort);
 	}

 	protected String getProperty(String key) {
 		BundleContext bundleContext = getBundleContext();
 		String value = bundleContext.getProperty(key);
 		return value;
 	}

 	protected List<String> getStringPlus(String key, ServiceReference<?> ref) {
 		Object property = ref.getProperty(key);
 		if (String.class.isInstance(property)) {
 			return Collections.singletonList((String)property);
 		}
 		else if (String[].class.isInstance(property)) {
 			return Arrays.asList((String[])property);
 		}
 		else if (Collection.class.isInstance(property)) {
 			List<String> list = new ArrayList<String>();
 			for (@SuppressWarnings("rawtypes")
 				 Iterator i = ((Collection)property).iterator(); i.hasNext();) {

 				Object o = i.next();
 				if (String.class.isInstance(o)) {
 					list.add((String)o);
 				}
 			}
 			return list;
 		}
 		return Collections.emptyList();
 	}

 	protected Bundle installBundle(String bundle) throws BundleException {
 		return installer.installBundle(bundle);
 	}

 	protected void startBundles() throws BundleException {
 		for (String bundle : BUNDLES) {
 			advisor.startBundle(bundle);
 		}
 	}

 	protected void startJetty() throws Exception {
 		advisor.startBundle(EQUINOX_JETTY_BUNDLE);
 		ServiceReference<HttpServiceRuntime> runtimeReference = runtimeTracker.getServiceReference();
 		List<String> endpoints = getStringPlus(HttpServiceRuntimeConstants.HTTP_SERVICE_ENDPOINT, runtimeReference);
 		String port = getPort();
 		if (port.equals("0") && !endpoints.isEmpty()) {
 			for (String endpoint : endpoints) {
 				if (endpoint.startsWith("http://")) {
 					port = String.valueOf(new URL(endpoint).getPort());
 					break;
 				}
 			}
 			if (port.equals("-1")) {
 				port = "80";
 			}
 		}
 		String contextPath = getContextPath();
 		requestAdvisor = new ServletRequestAdvisor(port, contextPath);
 	}

 	protected void stopBundles() throws BundleException {
 		for (int i = BUNDLES.length - 1; i >= 0; i--) {
 			String bundle = BUNDLES[i];
 			advisor.stopBundle(bundle);
 		}
 	}

 	protected void stopJetty() throws BundleException {
 		advisor.stopBundle(EQUINOX_JETTY_BUNDLE);
 	}

 	protected void uninstallBundle(Bundle bundle) throws BundleException {
 		installer.uninstallBundle(bundle);
 	}

 	protected void write(OutputStream outputStream, String string) throws IOException {
 		outputStream.write(string.getBytes(StandardCharsets.UTF_8));
 	}

 	protected static final String PROTOTYPE = "prototype/";
 	protected static final String CONFIGURE = "configure";
 	protected static final String UNREGISTER = "unregister";
 	protected static final String ERROR = "error";
 	protected static final String STATUS_PARAM = "servlet.init.status";
 	protected static final String TEST_PROTOTYPE_NAME = "test.prototype.name";
 	protected static final String TEST_PATH_CUSTOMIZER_NAME = "test.path.customizer.name";
 	protected static final String TEST_ERROR_CODE = "test.error.code";

 	protected static final String EQUINOX_DS_BUNDLE = "org.apache.felix.scr";
 	protected static final String EQUINOX_JETTY_BUNDLE = "org.eclipse.equinox.http.jetty";
 	protected static final String JETTY_PROPERTY_PREFIX = "org.eclipse.equinox.http.jetty.";
 	protected static final String OSGI_HTTP_PORT_PROPERTY = "org.osgi.service.http.port";
 	protected static final String STATUS_OK = "OK";
 	protected static final String TEST_BUNDLES_BINARY_DIRECTORY = "/bundles_bin/";
 	protected static final String TEST_BUNDLE_1 = "tb1";
 	protected static final String TEST_BUNDLE_2 = "tb2";

 	protected static final String[] BUNDLES = new String[] {
 		EQUINOX_DS_BUNDLE
 	};

 	protected BundleInstaller installer;
 	protected BundleAdvisor advisor;
 	protected ServletRequestAdvisor requestAdvisor;
 	protected final Collection<ServiceRegistration<? extends Object>> registrations = new ArrayList<ServiceRegistration<? extends Object>>();
 	protected ServiceTracker<HttpServiceRuntime, HttpServiceRuntime> runtimeTracker;

 	protected static class TestFilter implements Filter {
 		AtomicInteger called = new AtomicInteger(0);

 		public TestFilter() {}

 		@Override
 		public void init(FilterConfig filterConfig) throws ServletException {
 			// nothing
 		}

 		@Override
 		public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
 				throws IOException, ServletException {
 			called.incrementAndGet();
 			chain.doFilter(request, response);
 		}

 		@Override
 		public void destroy() {
 			// nothing
 		}

 		public void clear() {
 			called.set(0);
 		}

 		public boolean getCalled() {
 			return called.get() >= 1;
 		}

 		public int getCount() {
 			return called.get();
 		}
 	}

 	protected static class TestServletContextHelperFactory implements ServiceFactory<ServletContextHelper> {
 		static class TestServletContextHelper extends ServletContextHelper {
 			public TestServletContextHelper(Bundle bundle) {
 				super(bundle);
 			}};

 		public TestServletContextHelperFactory() {}

 		@Override
 		public ServletContextHelper getService(Bundle bundle, ServiceRegistration<ServletContextHelper> registration) {
 			return new TestServletContextHelper(bundle);
 		}

 		@Override
 		public void ungetService(Bundle bundle, ServiceRegistration<ServletContextHelper> registration,
 				ServletContextHelper service) {
 			// nothing
 		}

 	}

 	protected static class TestContextPathAdaptor extends ContextPathCustomizer {
 		private final String defaultFilter;
 		private final String contextPrefix;
 		private final String testName;

 		/**
 		 * @param defaultFilter
 		 * @param contextPrefix
 		 */
 		public TestContextPathAdaptor(String defaultFilter, String contextPrefix, String testName) {
 			super();
 			this.defaultFilter = defaultFilter;
 			this.contextPrefix = contextPrefix;
 			this.testName = testName;
 		}

 		@Override
 		public String getDefaultContextSelectFilter(ServiceReference<?> httpWhiteBoardService) {
 			if (testName.equals(httpWhiteBoardService.getProperty("servlet.init." + TEST_PATH_CUSTOMIZER_NAME))) {
 				return defaultFilter;
 			}
 			return null;
 		}

 		@Override
 		public String getContextPathPrefix(ServiceReference<ServletContextHelper> helper) {
 			if (testName.equals(helper.getProperty(TEST_PATH_CUSTOMIZER_NAME))) {
 				return contextPrefix;
 			}
 			return null;
 		}

 	}

 	protected static class ErrorServlet extends HttpServlet{
 		private static final long serialVersionUID = 1L;
 		private final String errorCode;

 		public ErrorServlet(String errorCode) {
 			super();
 			this.errorCode = errorCode;
 		}

 		@Override
 		protected void service(
 				HttpServletRequest request, HttpServletResponse response)
 			throws ServletException ,IOException {

 			if (response.isCommitted()) {
 				System.out.println("Problem?");

 				return;
 			}

 			PrintWriter writer = response.getWriter();

 			String requestURI = (String)request.getAttribute(RequestDispatcher.ERROR_REQUEST_URI);
 			Integer status = (Integer)request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);

 			writer.print(errorCode + " : " + status + " : ERROR : " + requestURI);
 		}

 	};

 }
	/*******************************************************************************
	* Copyright (c) 2014, 2018 Raymond Augé and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Raymond Augé <raymond.auge@liferay.com> - initial implementation
	******************************************************************************/

	package org.eclipse.equinox.http.servlet.testbase;

	import java.io.IOException;
	import java.io.OutputStream;
	import java.io.PrintWriter;
	import java.net.URL;
	import java.nio.charset.StandardCharsets;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;
	import java.util.concurrent.atomic.AtomicInteger;

	import javax.servlet.Filter;
	import javax.servlet.FilterChain;
	import javax.servlet.FilterConfig;
	import javax.servlet.RequestDispatcher;
	import javax.servlet.ServletException;
	import javax.servlet.ServletRequest;
	import javax.servlet.ServletResponse;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	import org.eclipse.equinox.http.servlet.context.ContextPathCustomizer;
	import org.eclipse.equinox.http.servlet.tests.bundle.Activator;
	import org.eclipse.equinox.http.servlet.tests.bundle.BundleAdvisor;
	import org.eclipse.equinox.http.servlet.tests.bundle.BundleInstaller;
	import org.eclipse.equinox.http.servlet.tests.util.ServletRequestAdvisor;
	import org.junit.After;
	import org.junit.Before;
	import org.osgi.framework.Bundle;
	import org.osgi.framework.BundleContext;
	import org.osgi.framework.BundleException;
	import org.osgi.framework.ServiceFactory;
	import org.osgi.framework.ServiceReference;
	import org.osgi.framework.ServiceRegistration;
	import org.osgi.service.http.HttpService;
	import org.osgi.service.http.context.ServletContextHelper;
	import org.osgi.service.http.runtime.HttpServiceRuntime;
	import org.osgi.service.http.runtime.HttpServiceRuntimeConstants;
	import org.osgi.util.tracker.ServiceTracker;

	public class BaseTest {

	@Before
	public void setUp() throws Exception {
	// Quiet logging for tests
	System.setProperty("/.LEVEL", "OFF");
	System.setProperty("org.eclipse.jetty.server.LEVEL", "OFF");
	System.setProperty("org.eclipse.jetty.servlet.LEVEL", "OFF");

	System.setProperty("org.osgi.service.http.port", "0");
	BundleContext bundleContext = getBundleContext();
	installer = new BundleInstaller(TEST_BUNDLES_BINARY_DIRECTORY, bundleContext);
	advisor = new BundleAdvisor(bundleContext);
	startBundles();
	stopJetty();
	runtimeTracker = new ServiceTracker<>(bundleContext, HttpServiceRuntime.class, null);
	runtimeTracker.open();
	runtimeTracker.waitForService(100);
	startJetty();
	}

	@After
	public void tearDown() throws Exception {
	for (ServiceRegistration<? extends Object> serviceRegistration : registrations) {
	serviceRegistration.unregister();
	}
	runtimeTracker.close();
	stopJetty();
	stopBundles();
	requestAdvisor = null;
	advisor = null;
	registrations.clear();
	try {
	installer.shutdown();
	} finally {
	installer = null;
	}
	}

	protected String doRequest(String action, Map<String, String> params) throws IOException {
	return doRequestGetResponse(action, params).get("responseBody").get(0);
	}

	protected Map<String, List<String>> doRequestGetResponse(String action, Map<String, String> params) throws IOException {
	StringBuilder requestInfo = new StringBuilder(PROTOTYPE);
	requestInfo.append(action);
	if (!params.isEmpty()) {
	boolean firstParam = true;
	for (Map.Entry<String, String> param : params.entrySet()) {
	if (firstParam) {
	requestInfo.append('?');
	firstParam = false;
	} else {
	requestInfo.append('&');
	}
	requestInfo.append(param.getKey());
	requestInfo.append('=');
	requestInfo.append(param.getValue());
	}
	}
	return requestAdvisor.request(requestInfo.toString(), null);
	}

	protected BundleContext getBundleContext() {
	return Activator.getBundleContext();
	}

	protected String getContextPath() {
	return getJettyProperty("context.path", "");
	}

	protected HttpService getHttpService() {
	ServiceReference<HttpService> serviceReference = getBundleContext().getServiceReference(HttpService.class);
	return getBundleContext().getService(serviceReference);
	}

	protected String getJettyProperty(String key, String defaultValue) {
	String qualifiedKey = JETTY_PROPERTY_PREFIX + key;
	String value = getProperty(qualifiedKey);
	if (value == null) {
	value = defaultValue;
	}
	return value;
	}

	protected String getPort() {
	String defaultPort = getProperty(OSGI_HTTP_PORT_PROPERTY);
	if (defaultPort == null) {
	defaultPort = "80";
	}
	return getJettyProperty("port", defaultPort);
	}

	protected String getProperty(String key) {
	BundleContext bundleContext = getBundleContext();
	String value = bundleContext.getProperty(key);
	return value;
	}

	protected List<String> getStringPlus(String key, ServiceReference<?> ref) {
	Object property = ref.getProperty(key);
	if (String.class.isInstance(property)) {
	return Collections.singletonList((String)property);
	}
	else if (String[].class.isInstance(property)) {
	return Arrays.asList((String[])property);
	}
	else if (Collection.class.isInstance(property)) {
	List<String> list = new ArrayList<String>();
	for (@SuppressWarnings("rawtypes")
	Iterator i = ((Collection)property).iterator(); i.hasNext();) {

	Object o = i.next();
	if (String.class.isInstance(o)) {
	list.add((String)o);
	}
	}
	return list;
	}
	return Collections.emptyList();
	}

	protected Bundle installBundle(String bundle) throws BundleException {
	return installer.installBundle(bundle);
	}

	protected void startBundles() throws BundleException {
	for (String bundle : BUNDLES) {
	advisor.startBundle(bundle);
	}
	}

	protected void startJetty() throws Exception {
	advisor.startBundle(EQUINOX_JETTY_BUNDLE);
	ServiceReference<HttpServiceRuntime> runtimeReference = runtimeTracker.getServiceReference();
	List<String> endpoints = getStringPlus(HttpServiceRuntimeConstants.HTTP_SERVICE_ENDPOINT, runtimeReference);
	String port = getPort();
	if (port.equals("0") && !endpoints.isEmpty()) {
	for (String endpoint : endpoints) {
	if (endpoint.startsWith("http://")) {
	port = String.valueOf(new URL(endpoint).getPort());
	break;
	}
	}
	if (port.equals("-1")) {
	port = "80";
	}
	}
	String contextPath = getContextPath();
	requestAdvisor = new ServletRequestAdvisor(port, contextPath);
	}

	protected void stopBundles() throws BundleException {
	for (int i = BUNDLES.length - 1; i >= 0; i--) {
	String bundle = BUNDLES[i];
	advisor.stopBundle(bundle);
	}
	}

	protected void stopJetty() throws BundleException {
	advisor.stopBundle(EQUINOX_JETTY_BUNDLE);
	}

	protected void uninstallBundle(Bundle bundle) throws BundleException {
	installer.uninstallBundle(bundle);
	}

	protected void write(OutputStream outputStream, String string) throws IOException {
	outputStream.write(string.getBytes(StandardCharsets.UTF_8));
	}

	protected static final String PROTOTYPE = "prototype/";
	protected static final String CONFIGURE = "configure";
	protected static final String UNREGISTER = "unregister";
	protected static final String ERROR = "error";
	protected static final String STATUS_PARAM = "servlet.init.status";
	protected static final String TEST_PROTOTYPE_NAME = "test.prototype.name";
	protected static final String TEST_PATH_CUSTOMIZER_NAME = "test.path.customizer.name";
	protected static final String TEST_ERROR_CODE = "test.error.code";

	protected static final String EQUINOX_DS_BUNDLE = "org.apache.felix.scr";
	protected static final String EQUINOX_JETTY_BUNDLE = "org.eclipse.equinox.http.jetty";
	protected static final String JETTY_PROPERTY_PREFIX = "org.eclipse.equinox.http.jetty.";
	protected static final String OSGI_HTTP_PORT_PROPERTY = "org.osgi.service.http.port";
	protected static final String STATUS_OK = "OK";
	protected static final String TEST_BUNDLES_BINARY_DIRECTORY = "/bundles_bin/";
	protected static final String TEST_BUNDLE_1 = "tb1";
	protected static final String TEST_BUNDLE_2 = "tb2";

	protected static final String[] BUNDLES = new String[] {
	EQUINOX_DS_BUNDLE
	};

	protected BundleInstaller installer;
	protected BundleAdvisor advisor;
	protected ServletRequestAdvisor requestAdvisor;
	protected final Collection<ServiceRegistration<? extends Object>> registrations = new ArrayList<ServiceRegistration<? extends Object>>();
	protected ServiceTracker<HttpServiceRuntime, HttpServiceRuntime> runtimeTracker;

	protected static class TestFilter implements Filter {
	AtomicInteger called = new AtomicInteger(0);

	public TestFilter() {}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
	// nothing
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
	throws IOException, ServletException {
	called.incrementAndGet();
	chain.doFilter(request, response);
	}

	@Override
	public void destroy() {
	// nothing
	}

	public void clear() {
	called.set(0);
	}

	public boolean getCalled() {
	return called.get() >= 1;
	}

	public int getCount() {
	return called.get();
	}
	}

	protected static class TestServletContextHelperFactory implements ServiceFactory<ServletContextHelper> {
	static class TestServletContextHelper extends ServletContextHelper {
	public TestServletContextHelper(Bundle bundle) {
	super(bundle);
	}};

	public TestServletContextHelperFactory() {}

	@Override
	public ServletContextHelper getService(Bundle bundle, ServiceRegistration<ServletContextHelper> registration) {
	return new TestServletContextHelper(bundle);
	}

	@Override
	public void ungetService(Bundle bundle, ServiceRegistration<ServletContextHelper> registration,
	ServletContextHelper service) {
	// nothing
	}

	}

	protected static class TestContextPathAdaptor extends ContextPathCustomizer {
	private final String defaultFilter;
	private final String contextPrefix;
	private final String testName;

	/**
	* @param defaultFilter
	* @param contextPrefix
	*/
	public TestContextPathAdaptor(String defaultFilter, String contextPrefix, String testName) {
	super();
	this.defaultFilter = defaultFilter;
	this.contextPrefix = contextPrefix;
	this.testName = testName;
	}

	@Override
	public String getDefaultContextSelectFilter(ServiceReference<?> httpWhiteBoardService) {
	if (testName.equals(httpWhiteBoardService.getProperty("servlet.init." + TEST_PATH_CUSTOMIZER_NAME))) {
	return defaultFilter;
	}
	return null;
	}

	@Override
	public String getContextPathPrefix(ServiceReference<ServletContextHelper> helper) {
	if (testName.equals(helper.getProperty(TEST_PATH_CUSTOMIZER_NAME))) {
	return contextPrefix;
	}
	return null;
	}

	}

	protected static class ErrorServlet extends HttpServlet{
	private static final long serialVersionUID = 1L;
	private final String errorCode;

	public ErrorServlet(String errorCode) {
	super();
	this.errorCode = errorCode;
	}

	@Override
	protected void service(
	HttpServletRequest request, HttpServletResponse response)
	throws ServletException ,IOException {

	if (response.isCommitted()) {
	System.out.println("Problem?");

	return;
	}

	PrintWriter writer = response.getWriter();

	String requestURI = (String)request.getAttribute(RequestDispatcher.ERROR_REQUEST_URI);
	Integer status = (Integer)request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);

	writer.print(errorCode + " : " + status + " : ERROR : " + requestURI);
	}

	};

	}