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Issue #1933 

Cherry-pick of 29373c6 and 44d170e
This commit is contained in:
Jan Bartel 2017-11-22 13:53:38 +01:00
parent a2c34e1d8b
commit 7f6e2e8dd0
8 changed files with 347 additions and 39 deletions
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5
jetty-annotations/src/main/java/org/eclipse/jetty/annotations/AnnotationConfiguration.java
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@ -46,6 +46,7 @@ import javax.servlet.annotation.HandlesTypes;
import org.eclipse.jetty.annotations.AnnotationParser.Handler;
import org.eclipse.jetty.plus.annotation.ContainerInitializer;
import org.eclipse.jetty.util.ConcurrentHashSet;
import org.eclipse.jetty.util.JavaVersion;
import org.eclipse.jetty.util.MultiException;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.log.Log;
@ -72,7 +73,7 @@ public class AnnotationConfiguration extends AbstractConfiguration
public static final String CONTAINER_INITIALIZER_STARTER = "org.eclipse.jetty.containerInitializerStarter";
public static final String MULTI_THREADED = "org.eclipse.jetty.annotations.multiThreaded";
public static final String MAX_SCAN_WAIT = "org.eclipse.jetty.annotations.maxWait";
public static final String JAVA_TARGET_PLATFORM = "org.eclipse.jetty.javaTargetPlatform";
public static final int DEFAULT_MAX_SCAN_WAIT = 60; /* time in sec */
public static final boolean DEFAULT_MULTI_THREADED = true;
@ -504,7 +505,7 @@ public class AnnotationConfiguration extends AbstractConfiguration
throws Exception
{
int javaPlatform = 0;
Object target = context.getAttribute(JAVA_TARGET_PLATFORM);
Object target = context.getAttribute(JavaVersion.JAVA_TARGET_PLATFORM);
if (target!=null)
javaPlatform = Integer.valueOf(target.toString());
AnnotationParser parser = createAnnotationParser(javaPlatform);

2
jetty-start/src/main/java/org/eclipse/jetty/start/Main.java
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@ -356,8 +356,6 @@ public class Main
// Get Desired Classpath based on user provided Active Options.
Classpath classpath = args.getClasspath();
System.setProperty("java.class.path",classpath.toString());
// Show the usage information and return
if (args.isHelp())
{

7
jetty-util/src/main/java/org/eclipse/jetty/util/JavaVersion.java
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@ -27,6 +27,13 @@ import java.util.regex.Pattern;
*/
public class JavaVersion
{
/**
* Context attribute that can be set to target a different version of the jvm than the current runtime.
* Acceptable values should correspond to those returned by JavaVersion.getPlatform().
*/
public static final String JAVA_TARGET_PLATFORM = "org.eclipse.jetty.javaTargetPlatform";
// Copy of version in jetty-start
private static final Pattern PRE_JDK9 = Pattern.compile("1\\.(\\d)(\\.(\\d+)(_(\\d+))?)?(-.+)?");

22
jetty-webapp/pom.xml
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@ -38,6 +38,10 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<useManifestOnlyJar>false</useManifestOnlyJar>
<excludes>
<exclude>org.eclipse.jetty.webapp.WebAppClassLoaderUrlStreamTest</exclude>
</excludes>
<forkCount>1</forkCount>
<reuseForks>false</reuseForks>
</configuration>
@ -67,4 +71,22 @@
<optional>true</optional>
</dependency>
</dependencies>
<profiles>
<profile>
<id>jdk9</id>
<activation>
<jdk>[1.9,)</jdk>
</activation>
<build>
<plugins>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<argLine>@{argLine} --module-path src/test/resources/mods</argLine>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project>

237
jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebInfConfiguration.java
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@ -24,6 +24,8 @@ import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
@ -35,6 +37,7 @@ import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.NetworkConnector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.util.IO;
import org.eclipse.jetty.util.JavaVersion;
import org.eclipse.jetty.util.PatternMatcher;
import org.eclipse.jetty.util.URIUtil;
import org.eclipse.jetty.util.log.Log;
@ -60,6 +63,84 @@ public class WebInfConfiguration extends AbstractConfiguration
protected Resource _preUnpackBaseResource;
/**
* ContainerPathNameMatcher
*
* Matches names of jars on the container classpath
* against a pattern. If no pattern is specified, no
* jars match.
*/
public class ContainerPathNameMatcher extends PatternMatcher
{
protected final WebAppContext _context;
protected final Pattern _pattern;
public ContainerPathNameMatcher(WebAppContext context, Pattern pattern)
{
if (context == null)
throw new IllegalArgumentException("Context null");
_context = context;
_pattern = pattern;
}
public void match (List<URI> uris)
throws Exception
{
if (uris == null)
return;
match(_pattern, uris.toArray(new URI[uris.size()]), false);
}
/**
* @see org.eclipse.jetty.util.PatternMatcher#matched(java.net.URI)
*/
@Override
public void matched(URI uri) throws Exception
{
_context.getMetaData().addContainerResource(Resource.newResource(uri));
}
}
/**
* WebAppPathNameMatcher
*
* Matches names of jars or dirs on the webapp classpath
* against a pattern. If there is no pattern, all jars or dirs
* will match.
*/
public class WebAppPathNameMatcher extends PatternMatcher
{
protected final WebAppContext _context;
protected final Pattern _pattern;
public WebAppPathNameMatcher (WebAppContext context, Pattern pattern)
{
if (context == null)
throw new IllegalArgumentException("Context null");
_context=context;
_pattern=pattern;
}
public void match (List<URI> uris)
throws Exception
{
match(_pattern, uris.toArray(new URI[uris.size()]), true);
}
/**
* @see org.eclipse.jetty.util.PatternMatcher#matched(java.net.URI)
*/
@Override
public void matched(URI uri) throws Exception
{
_context.getMetaData().addWebInfJar(Resource.newResource(uri));
}
}
@Override
@ -71,79 +152,165 @@ public class WebInfConfiguration extends AbstractConfiguration
//Extract webapp if necessary
unpack (context);
findAndFilterContainerPaths(context);
//Apply an initial ordering to the jars which governs which will be scanned for META-INF
//info and annotations. The ordering is based on inclusion patterns.
String tmp = (String)context.getAttribute(WEBINF_JAR_PATTERN);
Pattern webInfPattern = (tmp==null?null:Pattern.compile(tmp));
tmp = (String)context.getAttribute(CONTAINER_JAR_PATTERN);
findAndFilterWebAppPaths(context);
//No pattern to appy to classes, just add to metadata
context.getMetaData().setWebInfClassesDirs(findClassDirs(context));
}
/**
* Find jars and directories that are on the container's classpath
* and apply an optional filter. The filter is a pattern applied to the
* full jar or directory names. If there is no pattern, then no jar
* or dir is considered to match.
*
* Those jars that do match will be later examined for META-INF
* information and annotations.
*
* To find them, examine the classloaders in the hierarchy above the
* webapp classloader that are URLClassLoaders. For jdk-9 we also
* look at the java.class.path, and the jdk.module.path.
*
* @param context the WebAppContext being deployed
* @throws Exception
*/
public void findAndFilterContainerPaths (final WebAppContext context)
throws Exception
{
//assume the target jvm is the same as that running
int targetPlatform = JavaVersion.VERSION.getPlatform();
//allow user to specify target jvm different to current runtime
Object target = context.getAttribute(JavaVersion.JAVA_TARGET_PLATFORM);
if (target!=null)
targetPlatform = Integer.valueOf(target.toString()).intValue();
//Apply an initial name filter to the jars to select which will be eventually
//scanned for META-INF info and annotations. The filter is based on inclusion patterns.
String tmp = (String)context.getAttribute(CONTAINER_JAR_PATTERN);
Pattern containerPattern = (tmp==null?null:Pattern.compile(tmp));
//Apply ordering to container jars - if no pattern is specified, we won't
//match any of the container jars
PatternMatcher containerJarNameMatcher = new PatternMatcher ()
{
public void matched(URI uri) throws Exception
{
context.getMetaData().addContainerResource(Resource.newResource(uri));
}
};
ContainerPathNameMatcher containerPathNameMatcher = new ContainerPathNameMatcher(context, containerPattern);
ClassLoader loader = null;
if (context.getClassLoader() != null)
loader = context.getClassLoader().getParent();
List<URI> containerUris = new ArrayList<>();
while (loader != null && (loader instanceof URLClassLoader))
{
URL[] urls = ((URLClassLoader)loader).getURLs();
if (urls != null)
{
URI[] containerUris = new URI[urls.length];
int i=0;
for (URL u : urls)
{
try
{
containerUris[i] = u.toURI();
containerUris.add(u.toURI());
}
catch (URISyntaxException e)
{
containerUris[i] = new URI(u.toString().replaceAll(" ", "%20"));
containerUris.add(new URI(u.toString().replaceAll(" ", "%20")));
}
i++;
}
containerJarNameMatcher.match(containerPattern, containerUris, false);
}
loader = loader.getParent();
}
if (LOG.isDebugEnabled()) LOG.debug("Matching container urls {}", containerUris);
containerPathNameMatcher.match(containerUris);
//Apply ordering to WEB-INF/lib jars
PatternMatcher webInfJarNameMatcher = new PatternMatcher ()
//if running on jvm 9 or above, we we won't be able to look at the application classloader
//to extract urls, so we need to examine the classpath instead.
if (JavaVersion.VERSION.getPlatform() >= 9)
{
@Override
public void matched(URI uri) throws Exception
tmp = System.getProperty("java.class.path");
if (tmp != null)
{
context.getMetaData().addWebInfJar(Resource.newResource(uri));
List<URI> cpUris = new ArrayList<>();
String[] entries = tmp.split(File.pathSeparator);
for (String entry:entries)
{
File f = new File(entry);
cpUris.add(f.toURI());
}
if (LOG.isDebugEnabled()) LOG.debug("Matching java.class.path {}", cpUris);
containerPathNameMatcher.match(cpUris);
}
};
}
//if we're targetting jdk 9 or above, we also need to examine the
//module path
if (targetPlatform >= 9)
{
//TODO need to consider the jdk.module.upgrade.path - how to resolve
//which modules will be actually used. If its possible, it can
//only be attempted in jetty-10 with jdk-9 specific apis.
tmp = System.getProperty("jdk.module.path");
if (tmp != null)
{
List<URI> moduleUris = new ArrayList<>();
String[] entries = tmp.split(File.pathSeparator);
for (String entry:entries)
{
File dir = new File(entry);
File[] files = dir.listFiles();
if (files != null)
{
for (File f:files)
{
moduleUris.add(f.toURI());
}
}
}
if (LOG.isDebugEnabled()) LOG.debug("Matching jdk.module.path {}", moduleUris);
containerPathNameMatcher.match(moduleUris);
}
}
if (LOG.isDebugEnabled()) LOG.debug("Container paths selected:{}", context.getMetaData().getContainerResources());
}
/**
* Finds the jars that are either physically or virtually in
* WEB-INF/lib, and applies an optional filter to their full
* pathnames.
*
* The filter selects which jars will later be examined for META-INF
* information and annotations. If there is no pattern, then
* all jars are considered selected.
*
* @param context the WebAppContext being deployed
* @throws Exception
*/
public void findAndFilterWebAppPaths (WebAppContext context)
throws Exception
{
String tmp = (String)context.getAttribute(WEBINF_JAR_PATTERN);
Pattern webInfPattern = (tmp==null?null:Pattern.compile(tmp));
//Apply filter to WEB-INF/lib jars
WebAppPathNameMatcher matcher = new WebAppPathNameMatcher(context, webInfPattern);
List<Resource> jars = findJars(context);
//Convert to uris for matching
URI[] uris = null;
if (jars != null)
{
uris = new URI[jars.size()];
List<URI> uris = new ArrayList<>();
int i=0;
for (Resource r: jars)
{
uris[i++] = r.getURI();
uris.add(r.getURI());
}
matcher.match(uris);
}
webInfJarNameMatcher.match(webInfPattern, uris, true); //null is inclusive, no pattern == all jars match
//No pattern to appy to classes, just add to metadata
context.getMetaData().setWebInfClassesDirs(findClassDirs(context));
}
@Override
public void configure(WebAppContext context) throws Exception

113
jetty-webapp/src/test/java/org/eclipse/jetty/webapp/WebInfConfigurationTest.java Normal file
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@ -0,0 +1,113 @@
//
// ========================================================================
// Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.webapp;
import static org.junit.Assert.*;
import java.util.List;
import org.eclipse.jetty.util.JavaVersion;
import org.eclipse.jetty.util.resource.Resource;
import org.junit.Assume;
import org.junit.Test;
/**
* WebInfConfigurationTest
*
*
*/
public class WebInfConfigurationTest
{
/**
* Assume target < jdk9. In this case, we should be able to extract
* the urls from the application classloader, and we should not look
* at the java.class.path property.
* @throws Exception
*/
@Test
public void testFindAndFilterContainerPaths()
throws Exception
{
Assume.assumeTrue(JavaVersion.VERSION.getMajor() < 9);
WebInfConfiguration config = new WebInfConfiguration();
WebAppContext context = new WebAppContext();
context.setAttribute(WebInfConfiguration.CONTAINER_JAR_PATTERN, ".*/jetty-util-[^/]*\\.jar$|.*/jetty-util/target/classes/");
WebAppClassLoader loader = new WebAppClassLoader(context);
context.setClassLoader(loader);
config.findAndFilterContainerPaths(context);
List<Resource> containerResources = context.getMetaData().getContainerResources();
assertEquals(1, containerResources.size());
assertTrue(containerResources.get(0).toString().contains("jetty-util"));
}
/**
* Assume target jdk9 or above. In this case we should extract what we need
* from the java.class.path. We should also examine the module path.
* @throws Exception
*/
@Test
public void testFindAndFilterContainerPathsJDK9()
throws Exception
{
Assume.assumeTrue(JavaVersion.VERSION.getMajor() >= 9);
Assume.assumeTrue(System.getProperty("jdk.module.path") != null);
WebInfConfiguration config = new WebInfConfiguration();
WebAppContext context = new WebAppContext();
context.setAttribute(WebInfConfiguration.CONTAINER_JAR_PATTERN, ".*/jetty-util-[^/]*\\.jar$|.*/jetty-util/target/classes/$|.*/foo-bar-janb.jar");
WebAppClassLoader loader = new WebAppClassLoader(context);
context.setClassLoader(loader);
config.findAndFilterContainerPaths(context);
List<Resource> containerResources = context.getMetaData().getContainerResources();
assertEquals(2, containerResources.size());
for (Resource r:containerResources)
{
String s = r.toString();
assertTrue(s.endsWith("foo-bar-janb.jar") || s.contains("jetty-util"));
}
}
/**
* Assume runtime is jdk9 or above. Target is jdk 8. In this
* case we must extract from the java.class.path (because jdk 9
* has no url based application classloader), but we should
* ignore the module path.
* @throws Exception
*/
@Test
public void testFindAndFilterContainerPathsTarget8()
throws Exception
{
Assume.assumeTrue(JavaVersion.VERSION.getMajor() >= 9);
Assume.assumeTrue(System.getProperty("jdk.module.path") != null);
WebInfConfiguration config = new WebInfConfiguration();
WebAppContext context = new WebAppContext();
context.setAttribute(JavaVersion.JAVA_TARGET_PLATFORM, "8");
context.setAttribute(WebInfConfiguration.CONTAINER_JAR_PATTERN, ".*/jetty-util-[^/]*\\.jar$|.*/jetty-util/target/classes/$|.*/foo-bar-janb.jar");
WebAppClassLoader loader = new WebAppClassLoader(context);
context.setClassLoader(loader);
config.findAndFilterContainerPaths(context);
List<Resource> containerResources = context.getMetaData().getContainerResources();
assertEquals(1, containerResources.size());
assertTrue(containerResources.get(0).toString().contains("jetty-util"));
}
}

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jetty-webapp/src/test/resources/mods/com-acme-janb.jar Normal file
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