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Commit ddbb68b1 authored by Dave Syer's avatar Dave Syer
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Use reflection hack for error page in Tocmat 8

parent 80bdc018
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pom.xml
View file @ ddbb68b1
......@@ -22,7 +22,6 @@
<module>spring-boot-starters</module>
<module>spring-boot-cli</module>
<module>spring-boot-integration-tests</module>
<module>spring-boot-containers/spring-boot-tomcat8</module>
</modules>
<build>
<plugins>
......
spring-boot-containers/spring-boot-tomcat8/pom.xml deleted 100644 → 0
View file @ 80bdc018
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-parent</artifactId>
<version>0.5.0.BUILD-SNAPSHOT</version>
<relativePath>../../spring-boot-parent</relativePath>
</parent>
<artifactId>spring-boot-tomcat8</artifactId>
<packaging>jar</packaging>
<properties>
<main.basedir>${basedir}/../..</main.basedir>
<tomcat8.version>8.0.0-RC1</tomcat8.version>
</properties>
<dependencies>
<!-- Compile -->
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>spring-boot</artifactId>
<version>${project.version}</version>
</dependency>
<!-- Optional -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>${tomcat8.version}</version>
<optional>true</optional>
</dependency>
<!-- Test -->
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>test-jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
spring-boot-containers/spring-boot-tomcat8/src/main/java/org/springframework/boot/context/embedded/tomcat8/ServletContextInitializerLifecycleListener.java deleted 100644 → 0
View file @ 80bdc018
/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.context.embedded.tomcat8;
import javax.servlet.ServletException;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.core.StandardContext;
import org.springframework.boot.context.embedded.ServletContextInitializer;
import org.springframework.util.Assert;
/**
* Tomcat {@link LifecycleListener} that calls {@link ServletContextInitializer}s.
*
* @author Phillip Webb
*/
public class ServletContextInitializerLifecycleListener implements LifecycleListener {
private ServletContextInitializer[] initializers;
/**
* Create a new {@link ServletContextInitializerLifecycleListener} instance with the
* specified initializers.
* @param initializers the initializers to call
*/
public ServletContextInitializerLifecycleListener(
ServletContextInitializer... initializers) {
this.initializers = initializers;
}
@Override
public void lifecycleEvent(LifecycleEvent event) {
if (Lifecycle.CONFIGURE_START_EVENT.equals(event.getType())) {
Assert.isInstanceOf(StandardContext.class, event.getSource());
StandardContext standardContext = (StandardContext) event.getSource();
for (ServletContextInitializer initializer : this.initializers) {
try {
initializer.onStartup(standardContext.getServletContext());
}
catch (ServletException ex) {
throw new IllegalStateException(ex);
}
}
}
}
}
spring-boot-containers/spring-boot-tomcat8/src/main/java/org/springframework/boot/context/embedded/tomcat8/TomcatContextCustomizer.java deleted 100644 → 0
View file @ 80bdc018
/*
* Copyright 2012-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.context.embedded.tomcat8;
import org.apache.catalina.Context;
/**
* @author Dave Syer
*/
public interface TomcatContextCustomizer {
/**
* @param context the context to customize
*/
void customize(Context context);
}
spring-boot-containers/spring-boot-tomcat8/src/main/java/org/springframework/boot/context/embedded/tomcat8/TomcatEmbeddedServletContainer.java deleted 100644 → 0
View file @ 80bdc018
/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.context.embedded.tomcat8;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.connector.Connector;
import org.apache.catalina.startup.Tomcat;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.context.embedded.EmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerException;
import org.springframework.util.Assert;
/**
* {@link EmbeddedServletContainer} that can be used to control an embedded Tomcat server.
* Usually this class should be created using the
* {@link TomcatEmbeddedServletContainerFactory} and not directly.
*
* @author Phillip Webb
* @author Dave Syer
* @see TomcatEmbeddedServletContainerFactory
*/
public class TomcatEmbeddedServletContainer implements EmbeddedServletContainer {
private final Log logger = LogFactory.getLog(TomcatEmbeddedServletContainer.class);
private static int containerCounter = 0;
private final Tomcat tomcat;
/**
* Create a new {@link TomcatEmbeddedServletContainer} instance.
* @param tomcat the underlying Tomcat server
*/
public TomcatEmbeddedServletContainer(Tomcat tomcat) {
Assert.notNull(tomcat, "Tomcat Server must not be null");
this.tomcat = tomcat;
initialize();
}
private synchronized void initialize() throws EmbeddedServletContainerException {
try {
this.tomcat.start();
// Unlike Jetty, all Tomcat threads are daemon threads. We create a
// blocking non-daemon to stop immediate shutdown
Thread awaitThread = new Thread("container-" + (containerCounter++)) {
@Override
public void run() {
TomcatEmbeddedServletContainer.this.tomcat.getServer().await();
};
};
awaitThread.setDaemon(false);
awaitThread.start();
}
catch (Exception ex) {
throw new EmbeddedServletContainerException(
"Unable to start embdedded Tomcat", ex);
}
}
@Override
public void start() throws EmbeddedServletContainerException {
Connector connector = this.tomcat.getConnector();
if (connector != null) {
try {
connector.getProtocolHandler().resume();
}
catch (Exception e) {
this.logger.error("Cannot start connector: ", e);
}
}
}
@Override
public synchronized void stop() throws EmbeddedServletContainerException {
try {
try {
this.tomcat.stop();
}
catch (LifecycleException ex) {
// swallow and continue
}
this.tomcat.destroy();
}
catch (Exception ex) {
throw new EmbeddedServletContainerException(
"Unable to stop embdedded Tomcat", ex);
}
}
/**
* Returns access to the underlying Tomcat server.
*/
public Tomcat getTomcat() {
return this.tomcat;
}
}
spring-boot-containers/spring-boot-tomcat8/src/main/java/org/springframework/boot/context/embedded/tomcat8/TomcatEmbeddedWebappClassLoader.java deleted 100644 → 0
View file @ 80bdc018
package org.springframework.boot.context.embedded.tomcat8;
/*
* Copyright 2012-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.catalina.loader.WebappClassLoader;
/**
* Extension of Tomcat's {@link WebappClassLoader} that does not consider the
* {@link ClassLoader#getSystemClassLoader() system classloader}. This is required to to
* ensure that any custom context classloader is always used (as is the case with some
* executable archives).
*
* @author Phillip Webb
*/
public class TomcatEmbeddedWebappClassLoader extends WebappClassLoader {
public TomcatEmbeddedWebappClassLoader() {
super();
}
public TomcatEmbeddedWebappClassLoader(ClassLoader parent) {
super(parent);
}
@Override
public synchronized Class<?> loadClass(String name, boolean resolve)
throws ClassNotFoundException {
Class<?> resultClass = null;
// Check local class caches
resultClass = (resultClass == null ? findLoadedClass0(name) : resultClass);
resultClass = (resultClass == null ? findLoadedClass(name) : resultClass);
if (resultClass != null) {
return resolveIfNecessary(resultClass, resolve);
}
// Check security
checkPackageAccess(name);
// Perform the actual load
boolean delegateLoad = (this.delegate || filter(name));
if (delegateLoad) {
resultClass = (resultClass == null ? loadFromParent(name) : resultClass);
}
resultClass = (resultClass == null ? findClassIgnoringNotFound(name)
: resultClass);
if (!delegateLoad) {
resultClass = (resultClass == null ? loadFromParent(name) : resultClass);
}
if (resultClass == null) {
throw new ClassNotFoundException(name);
}
return resolveIfNecessary(resultClass, resolve);
}
private Class<?> resolveIfNecessary(Class<?> resultClass, boolean resolve) {
if (resolve) {
resolveClass(resultClass);
}
return (resultClass);
}
private Class<?> loadFromParent(String name) {
if (this.parent == null) {
return null;
}
try {
return Class.forName(name, false, this.parent);
}
catch (ClassNotFoundException e) {
return null;
}
}
private Class<?> findClassIgnoringNotFound(String name) {
try {
return findClass(name);
}
catch (ClassNotFoundException e) {
return null;
}
}
private void checkPackageAccess(String name) throws ClassNotFoundException {
if (this.securityManager != null && name.lastIndexOf('.') >= 0) {
try {
this.securityManager.checkPackageAccess(name.substring(0,
name.lastIndexOf('.')));
}
catch (SecurityException se) {
throw new ClassNotFoundException("Security Violation, attempt to use "
+ "Restricted Class: " + name, se);
}
}
}
}
spring-boot-containers/spring-boot-tomcat8/src/main/java/org/springframework/boot/context/embedded/tomcat8/package-info.java deleted 100644 → 0
View file @ 80bdc018
/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Support for Tomcat {@link org.springframework.boot.context.embedded.EmbeddedServletContainer EmbeddedServletContainers}.
*/
package org.springframework.boot.context.embedded.tomcat8;
spring-boot-dependencies/pom.xml
View file @ ddbb68b1
......@@ -273,6 +273,11 @@
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-websocket</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
......
spring-boot-samples/pom.xml
View file @ ddbb68b1
......@@ -26,6 +26,7 @@
<module>spring-boot-sample-traditional</module>
<module>spring-boot-sample-web-static</module>
<module>spring-boot-sample-web-ui</module>
<module>spring-boot-sample-websocket</module>
<module>spring-boot-sample-xml</module>
</modules>
<build>
......
spring-boot-samples/spring-boot-sample-websocket/_om.xml → spring-boot-samples/spring-boot-sample-websocket/pom.xml
View file @ ddbb68b1
......@@ -14,7 +14,8 @@
<properties>
<java.version>1.7</java.version>
<tomcat.version>8.0-SNAPSHOT</tomcat.version>
<tomcat.version>8.0.0-RC1</tomcat.version>
<spring.version>4.0.0.BUILD-SNAPSHOT</spring.version>
<start-class>org.springframework.boot.samples.websocket.config.ApplicationConfiguration</start-class>
</properties>
......@@ -23,7 +24,10 @@
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
<version>${spring.boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- For SockJS -->
<dependency>
......
spring-boot-samples/spring-boot-sample-websocket/src/main/java/org/springframework/boot/samples/websocket/config/SampleWebSocketsApplication.java
View file @ ddbb68b1
......@@ -32,7 +32,7 @@ import org.springframework.boot.samples.websocket.echo.DefaultEchoService;
import org.springframework.boot.samples.websocket.echo.EchoService;
import org.springframework.boot.samples.websocket.echo.EchoWebSocketHandler;
import org.springframework.boot.samples.websocket.snake.SnakeWebSocketHandler;
import org.springframework.boot.web.SpringServletInitializer;
import org.springframework.boot.web.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
......@@ -40,13 +40,13 @@ import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.server.support.WebSocketHttpRequestHandler;
import org.springframework.web.socket.sockjs.SockJsHttpRequestHandler;
import org.springframework.web.socket.sockjs.SockJsService;
import org.springframework.web.socket.sockjs.support.DefaultSockJsService;
import org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler;
import org.springframework.web.socket.sockjs.transport.handler.DefaultSockJsService;
import org.springframework.web.socket.support.PerConnectionWebSocketHandler;
@Configuration
public class SampleWebSocketsApplication extends SpringServletInitializer {
public class SampleWebSocketsApplication extends SpringBootServletInitializer {
@Override
protected Class<?>[] getConfigClasses() {
......
spring-boot-samples/spring-boot-sample-websocket/src/test/java/org/springframework/boot/samples/websocket/echo/StandardClientApp.java → spring-boot-samples/spring-boot-sample-websocket/src/test/java/org/springframework/boot/samples/websocket/echo/SampleWebSocketsApplicationTests.java
View file @ ddbb68b1
......@@ -17,28 +17,59 @@ package org.springframework.boot.samples.websocket.echo;
import static org.junit.Assert.assertEquals;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.samples.websocket.client.GreetingService;
import org.springframework.boot.samples.websocket.client.SimpleClientWebSocketHandler;
import org.springframework.boot.samples.websocket.client.SimpleGreetingService;
import org.springframework.boot.samples.websocket.config.SampleWebSocketsApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.client.WebSocketConnectionManager;
import org.springframework.web.socket.client.endpoint.StandardWebSocketClient;
public class StandardClientApp {
public class SampleWebSocketsApplicationTests {
private static Log logger = LogFactory.getLog(StandardClientApp.class);
private static Log logger = LogFactory.getLog(SampleWebSocketsApplicationTests.class);
private static final String WS_URI = "ws://localhost:8080/echo";
private static ConfigurableApplicationContext context;
@BeforeClass
public static void start() throws Exception {
Future<ConfigurableApplicationContext> future = Executors
.newSingleThreadExecutor().submit(
new Callable<ConfigurableApplicationContext>() {
@Override
public ConfigurableApplicationContext call() throws Exception {
return (ConfigurableApplicationContext) SpringApplication
.run(SampleWebSocketsApplication.class);
}
});
context = future.get(30, TimeUnit.SECONDS);
}
@AfterClass
public static void stop() {
if (context != null) {
context.close();
}
}
@Test
public void runAndWait() throws Exception {
ApplicationContext context = SpringApplication.run(ClientConfiguration.class, "--spring.main.web_environment=false");
......
spring-boot-starters/spring-boot-starter-parent/pom.xml
View file @ ddbb68b1
......@@ -2,7 +2,7 @@
<!-- This POM file that can be used as a parent for your own builds. It provides
generally useful dependencies and plugins. NOTE: If you are editing a local
checkout of this file, be sure to modify 'spring-boot-starters/src/main/parent/pom.xml'. -->
checkout of this file, be sure to modify 'spring-boot-starter-parent/src/main/parent/pom.xml'. -->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
......@@ -88,6 +88,11 @@
<artifactId>spring-boot-starter-security</artifactId>
<version>${spring.boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
<version>${spring.boot.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
......
spring-boot-starters/spring-boot-starter-parent/src/main/maven/pom.xml
View file @ ddbb68b1
......@@ -2,7 +2,7 @@
<!-- This POM file that can be used as a parent for your own builds. It provides
generally useful dependencies and plugins. NOTE: If you are editing a local
checkout of this file, be sure to modify 'spring-boot-starters/src/main/parent/pom.xml'. -->
checkout of this file, be sure to modify 'spring-boot-starter-parent/src/main/parent/pom.xml'. -->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
......@@ -88,6 +88,11 @@
<artifactId>spring-boot-starter-security</artifactId>
<version>${spring.boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
<version>${spring.boot.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
......
spring-boot-starters/spring-boot-starter-websocket/pom.xml
View file @ ddbb68b1
......@@ -11,7 +11,7 @@
<packaging>jar</packaging>
<properties>
<main.basedir>${basedir}/../..</main.basedir>
<tomcat.version>8.0-SNAPSHOT</tomcat.version>
<tomcat.version>8.0.0-RC1</tomcat.version>
</properties>
<dependencyManagement>
<dependencies>
......@@ -35,14 +35,13 @@
<exclusions>
<exclusion>
<groupId>${project.groupId}</groupId>
<artifactId>spring-boot-up-tomcat</artifactId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-websocket</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
......@@ -53,16 +52,4 @@
<artifactId>tomcat-embed-logging-juli</artifactId>
</dependency>
</dependencies>
<repositories>
<repository>
<id>tomcat-snapshots</id>
<url>https://repository.apache.org/content/repositories/snapshots</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
<releases>
<enabled>false</enabled>
</releases>
</repository>
</repositories>
</project>
spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java
View file @ ddbb68b1
......@@ -18,6 +18,7 @@ package org.springframework.boot.context.embedded.tomcat;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
......@@ -34,6 +35,7 @@ import org.apache.catalina.loader.WebappLoader;
import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.startup.Tomcat.FixContextListener;
import org.apache.coyote.AbstractProtocol;
import org.springframework.beans.BeanUtils;
import org.springframework.boot.context.embedded.AbstractEmbeddedServletContainerFactory;
import org.springframework.boot.context.embedded.EmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerException;
......@@ -45,6 +47,7 @@ import org.springframework.context.ResourceLoaderAware;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
/**
* {@link EmbeddedServletContainerFactory} that can be used to create
......@@ -213,11 +216,7 @@ public class TomcatEmbeddedServletContainerFactory extends
context.getPipeline().addValve(valve);
}
for (ErrorPage errorPage : getErrorPages()) {
org.apache.catalina.deploy.ErrorPage tomcatPage = new org.apache.catalina.deploy.ErrorPage();
tomcatPage.setLocation(errorPage.getPath());
tomcatPage.setExceptionType(errorPage.getExceptionName());
tomcatPage.setErrorCode(errorPage.getStatusCode());
context.addErrorPage(tomcatPage);
new TomcatErrorPage(errorPage).addToContext(context);
}
for (MimeMappings.Mapping mapping : getMimeMappings()) {
context.addMimeMapping(mapping.getExtension(), mapping.getMimeType());
......@@ -380,4 +379,67 @@ public class TomcatEmbeddedServletContainerFactory extends
this.tomcatContextCustomizers.addAll(Arrays.asList(tomcatContextCustomizers));
}
private static class TomcatErrorPage {
private String location;
private String exceptionType;
private int errorCode;
private Object nativePage;
public TomcatErrorPage(ErrorPage errorPage) {
this.location = errorPage.getPath();
this.exceptionType = errorPage.getExceptionName();
this.errorCode = errorPage.getStatusCode();
this.nativePage = createNativePage(errorPage);
}
private Object createNativePage(ErrorPage errorPage) {
Object nativePage = null;
try {
if (ClassUtils.isPresent("org.apache.catalina.deploy.ErrorPage", null)) {
nativePage = new org.apache.catalina.deploy.ErrorPage();
}
else {
if (ClassUtils.isPresent(
"org.apache.tomcat.util.descriptor.web.ErrorPage", null)) {
nativePage = BeanUtils.instantiate(ClassUtils.forName(
"org.apache.tomcat.util.descriptor.web.ErrorPage", null));
}
}
}
catch (ClassNotFoundException e) {
}
catch (LinkageError e) {
}
return nativePage;
}
public void addToContext(Context context) {
Assert.state(this.nativePage != null,
"Neither Tomcat 7 nor 8 detected so no native error page exists");
if (ClassUtils.isPresent("org.apache.catalina.deploy.ErrorPage", null)) {
org.apache.catalina.deploy.ErrorPage errorPage = (org.apache.catalina.deploy.ErrorPage) this.nativePage;
errorPage.setLocation(this.location);
errorPage.setErrorCode(this.errorCode);
errorPage.setExceptionType(this.exceptionType);
context.addErrorPage(errorPage);
}
else {
callMethod(this.nativePage, "setLocation", this.location, String.class);
callMethod(this.nativePage, "setErrorCode", this.errorCode, int.class);
callMethod(this.nativePage, "setExceptionType", this.exceptionType,
String.class);
callMethod(context, "addErrorPage", this.nativePage,
this.nativePage.getClass());
}
}
private void callMethod(Object target, String name, Object value, Class<?> type) {
Method method = ReflectionUtils.findMethod(target.getClass(), name, type);
ReflectionUtils.invokeMethod(method, target, value);
}
}
}
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