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/*
* Copyright (C) 2013 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 com.android.jack.jayce;
import com.android.jack.Jack;
import com.android.jack.JackAbortException;
import com.android.jack.library.InputJackLibrary;
import com.android.jack.library.LibraryFormatException;
import com.android.jack.library.LibraryReadingException;
import com.android.jack.reporting.ReportableException;
import com.android.jack.reporting.Reporter.Severity;
import com.android.sched.util.log.LoggerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Nonnull;
/**
* A factory of {@link JayceInternalReader}.
*/
public abstract class JayceReaderFactory {
@Nonnull
private static Logger logger = LoggerFactory.getLogger();
@Nonnull
public static JayceInternalReader get(@Nonnull InputJackLibrary inputJackLibrary,
@Nonnull InputStream in) throws LibraryFormatException {
String majorVersionStr = inputJackLibrary.getProperty(JayceProperties.KEY_JAYCE_MAJOR_VERSION);
int majorVersion = inputJackLibrary.getJayceMajorVersion();
int minorVersion = inputJackLibrary.getJayceMinorVersion();
JayceInternalReader jayceReader = (JayceInternalReader) instantiateConstructorWithParameters(
inputJackLibrary.getJayceReaderConstructor(), new Object[] {in}, majorVersionStr);
int minorMin = jayceReader.getMinorMin();
int currentMinor = jayceReader.getCurrentMinor();
if (minorVersion < minorMin) {
logger.log(Level.SEVERE, "Library " + inputJackLibrary.getLocation().getDescription()
+ " is invalid: the version of the jayce file is not supported anymore."
+ "File version: " + majorVersionStr + "." + minorVersion + " - Current version: "
+ majorVersionStr + "." + currentMinor + " - Minimum compatible version: "
+ majorVersionStr + "." + minorMin);
throw new LibraryFormatException(inputJackLibrary.getLocation());
} else if (minorVersion > currentMinor) {
logger.log(Level.SEVERE, "Library " + inputJackLibrary.getLocation().getDescription()
+ " is invalid: the version of the jayce file is too recent."
+ "File version: " + majorVersionStr + "." + minorVersion + " - Current version: "
+ majorVersionStr + "." + currentMinor);
throw new LibraryFormatException(inputJackLibrary.getLocation());
} else if (minorVersion < currentMinor) {
Jack.getSession().getUserLogger().log(Level.WARNING,
"The version of the jayce file is older than the current version but is "
+ "supported. File version: {0}.{1} - Current version: {2}.{3}", new Object[] {
Integer.valueOf(majorVersionStr), Integer.valueOf(minorVersion),
Integer.valueOf(majorVersionStr), Integer.valueOf(currentMinor)});
}
if (majorVersion == 2 && minorVersion == 14) {
// Read jayce file header, after jayce version 2.14, header does no longer exists it was moved
// to jack library properties
try {
new JayceHeader(in);
} catch (JayceFormatException e) {
logger.log(Level.SEVERE,
"Library " + inputJackLibrary.getLocation().getDescription() + " is invalid", e);
throw new LibraryFormatException(inputJackLibrary.getLocation());
} catch (IOException e) {
ReportableException exceptionToReport = new LibraryReadingException(e);
Jack.getSession().getReporter().report(Severity.FATAL, exceptionToReport);
throw new JackAbortException(exceptionToReport);
}
}
return jayceReader;
}
@Nonnull
private static Object instantiateConstructorWithParameters(@Nonnull Constructor<?> constructor,
@Nonnull Object[] parameterInstances, @Nonnull String version) {
Object constructorInstance = null;
try {
constructorInstance = constructor.newInstance(parameterInstances);
} catch (SecurityException e) {
throw new AssertionError("Security issue with Jayce stream");
} catch (IllegalArgumentException e) {
throw new AssertionError("Illegal argument for Jayce processor for version " + version);
} catch (InstantiationException e) {
throw new AssertionError("Problem instantiating Jayce processor for version " + version);
} catch (IllegalAccessException e) {
throw new AssertionError("Problem accessing Jayce processor for version " + version);
} catch (InvocationTargetException e) {
throw new RuntimeException(e.getCause());
}
return constructorInstance;
}
}
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