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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 vogar;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import vogar.commands.Command;
import vogar.commands.CommandFailedException;
import vogar.commands.Mkdir;
/**
* A Mode for running actions. Examples including running in a virtual machine
* either on the host or a device or within a specific context such as within an
* Activity.
*/
abstract class Mode {
private static final Pattern JAVA_SOURCE_PATTERN = Pattern.compile("\\/(\\w)+\\.java$");
private static final Logger logger = Logger.getLogger(Mode.class.getName());
protected final Environment environment;
protected final File sdkJar;
protected final List<String> javacArgs;
protected final int monitorPort;
/**
* Set of Java files needed to built to tun the currently selected set of
* actions. We build a subset rather than all the files all the time to
* reduce dex packaging costs in the activity mode case.
*/
protected final Set<File> runnerJava = new HashSet<File>();
/**
* Classpath of runner on the host side including any supporting libraries
* for runnerJava. Useful for compiling runnerJava as well as executing it
* on the host. Execution on the device requires further packaging typically
* done by postCompile.
*/
protected final Classpath runnerClasspath = new Classpath();
// TODO: this should be an immutable collection.
protected final Classpath classpath = Classpath.of(
new File("dalvik/libcore/tools/runner/lib/jsr305.jar"),
new File("dalvik/libcore/tools/runner/lib/guava.jar"),
new File("dalvik/libcore/tools/runner/lib/caliper.jar"),
// TODO: we should be able to work with a shipping SDK, not depend on out/...
// dalvik/libcore/**/test/ for junit
// TODO: jar up just the junit classes and drop the jar in our lib/ directory.
new File("out/host/common/obj/JAVA_LIBRARIES/kxml2-2.3.0_intermediates/javalib.jar").getAbsoluteFile(),
new File("out/target/common/obj/JAVA_LIBRARIES/core-tests-luni_intermediates/classes.jar").getAbsoluteFile());
Mode(Environment environment, File sdkJar, List<String> javacArgs, int monitorPort) {
this.environment = environment;
this.sdkJar = sdkJar;
this.javacArgs = javacArgs;
this.monitorPort = monitorPort;
}
/**
* Initializes the temporary directories and harness necessary to run
* actions.
*/
protected void prepare(Set<File> runnerJava, Classpath runnerClasspath) {
this.runnerJava.add(new File(Vogar.HOME_JAVA, "vogar/target/TestRunner.java"));
this.runnerJava.addAll(dalvikAnnotationSourceFiles());
this.runnerJava.addAll(runnerJava);
this.runnerClasspath.addAll(runnerClasspath);
environment.prepare();
compileRunner();
}
private List<File> dalvikAnnotationSourceFiles() {
// Hopefully one day we'll strip the dalvik annotations out, but until then we need to make
// them available to javac(1).
File sourceDir = new File("dalvik/libcore/dalvik/src/main/java/dalvik/annotation");
File[] javaSourceFiles = sourceDir.listFiles(new FilenameFilter() {
public boolean accept(File dir, String filename) {
return filename.endsWith(".java");
}
});
return Arrays.asList(javaSourceFiles);
}
private void compileRunner() {
logger.fine("build runner");
Classpath classpath = new Classpath();
classpath.addAll(this.classpath);
classpath.addAll(runnerClasspath);
File base = environment.runnerClassesDir();
new Mkdir().mkdirs(base);
new Javac()
.bootClasspath(sdkJar)
.classpath(classpath)
.sourcepath(Vogar.HOME_JAVA)
.destination(base)
.extra(javacArgs)
.compile(runnerJava);
postCompileRunner();
}
/**
* Hook method called after runner compilation.
*/
abstract protected void postCompileRunner();
/**
* Compiles classes for the given action and makes them ready for execution.
*
* @return null if the compilation succeeded, or an outcome describing the
* failure otherwise.
*/
public Outcome buildAndInstall(Action action) {
logger.fine("build " + action.getName());
try {
compile(action);
} catch (CommandFailedException e) {
return new Outcome(action.getName(), action.getName(),
Result.COMPILE_FAILED, e.getOutputLines());
} catch (IOException e) {
return new Outcome(action.getName(), Result.ERROR, e);
}
environment.prepareUserDir(action);
return null;
}
/**
* Compiles the classes for the described action.
*
* @throws CommandFailedException if javac fails
*/
private void compile(Action action) throws IOException {
if (!JAVA_SOURCE_PATTERN.matcher(action.getJavaFile().toString()).find()) {
throw new CommandFailedException(Collections.<String>emptyList(),
Collections.singletonList("Cannot compile: " + action.getJavaFile()));
}
File classesDir = environment.classesDir(action);
new Mkdir().mkdirs(classesDir);
FileOutputStream propertiesOut = new FileOutputStream(
new File(classesDir, TestProperties.FILE));
Properties properties = new Properties();
fillInProperties(properties, action);
properties.store(propertiesOut, "generated by " + Mode.class.getName());
propertiesOut.close();
Classpath classpath = new Classpath();
classpath.addAll(this.classpath);
classpath.addAll(action.getRunnerClasspath());
Set<File> sourceFiles = new HashSet<File>();
sourceFiles.add(action.getJavaFile());
sourceFiles.addAll(dalvikAnnotationSourceFiles());
// compile the action case
new Javac()
.bootClasspath(sdkJar)
.classpath(classpath)
.sourcepath(action.getJavaDirectory())
.destination(classesDir)
.extra(javacArgs)
.compile(sourceFiles);
postCompile(action);
}
/**
* Hook method called after action compilation.
*/
abstract protected void postCompile(Action action);
/**
* Fill in properties for running in this mode
*/
protected void fillInProperties(Properties properties, Action action) {
properties.setProperty(TestProperties.TEST_CLASS, action.getTargetClass());
properties.setProperty(TestProperties.QUALIFIED_NAME, action.getName());
properties.setProperty(TestProperties.RUNNER_CLASS, action.getRunnerClass().getName());
properties.setProperty(TestProperties.MONITOR_PORT, String.valueOf(monitorPort));
}
/**
* Create the command that executes the action.
*/
protected abstract Command createActionCommand(Action action);
/**
* Deletes files and releases any resources required for the execution of
* the given action.
*/
void cleanup(Action action) {
environment.cleanup(action);
}
/**
* Cleans up after all actions have completed.
*/
void shutdown() {
environment.shutdown();
}
}
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