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/*
* Copyright 2007 Google Inc.
*
* 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.tonicsystems.jarjar;
import com.android.jarjar.RemoveAndroidCompatAnnotationsJarTransformer;
import com.android.jarjar.StripAnnotation;
import com.android.jarjar.StripAnnotationsJarTransformer;
import com.tonicsystems.jarjar.util.EntryStruct;
import com.tonicsystems.jarjar.util.JarProcessor;
import com.tonicsystems.jarjar.util.JarProcessorChain;
import com.tonicsystems.jarjar.util.JarTransformerChain;
import com.tonicsystems.jarjar.util.RemappingClassTransformer;
import com.tonicsystems.jarjar.util.StandaloneJarProcessor;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
class MainProcessor implements JarProcessor {
private final boolean verbose;
private final JarProcessorChain chain;
private final KeepProcessor kp;
private final Map<String, String> renames = new HashMap<>();
// ANDROID-BEGIN: b/146418363 Add an Android-specific transformer to strip compat annotation
public MainProcessor(List<PatternElement> patterns, boolean verbose, boolean skipManifest) {
this(patterns, verbose, skipManifest, false /* removeAndroidCompatAnnotations */);
}
public MainProcessor(
List<PatternElement> patterns,
boolean verbose,
boolean skipManifest,
boolean removeAndroidCompatAnnotations) {
// ANDROID-END: b/146418363 Add an Android-specific transformer to strip compat annotation
this.verbose = verbose;
List<Zap> zapList = new ArrayList<>();
List<Rule> ruleList = new ArrayList<>();
List<Keep> keepList = new ArrayList<>();
// ANDROID-BEGIN: b/222743634 Strip annotations from system module stubs
List<StripAnnotation> stripAnnotationList = new ArrayList<StripAnnotation>();
// ANDROID-END: b/222743634 Strip annotations from system module stubs
for (PatternElement pattern : patterns) {
if (pattern instanceof Zap) {
zapList.add((Zap) pattern);
} else if (pattern instanceof Rule) {
ruleList.add((Rule) pattern);
} else if (pattern instanceof Keep) {
keepList.add((Keep) pattern);
// ANDROID-BEGIN: b/222743634 Strip annotations from system module stubs
} else if (pattern instanceof StripAnnotation) {
stripAnnotationList.add((StripAnnotation) pattern);
}
// ANDROID-END: b/222743634 Strip annotations from system module stubs
}
PackageRemapper pr = new PackageRemapper(ruleList, verbose);
kp = keepList.isEmpty() ? null : new KeepProcessor(keepList);
List<JarProcessor> processors = new ArrayList<>();
if (skipManifest) {
processors.add(ManifestProcessor.getInstance());
}
if (kp != null) {
processors.add(kp);
}
processors.add(new ZapProcessor(zapList));
// ANDROID-BEGIN: b/146418363 Add an Android-specific transformer to strip compat annotation
if (removeAndroidCompatAnnotations)
processors.add(new RemoveAndroidCompatAnnotationsJarTransformer(pr));
// ANDROID-END: b/146418363 Add an Android-specific transformer to strip compat annotation
// ANDROID-BEGIN: b/222743634 Strip annotations from system module stubs
if (!stripAnnotationList.isEmpty()) {
processors.add(new StripAnnotationsJarTransformer(stripAnnotationList));
}
// ANDROID-END: b/222743634 Strip annotations from system module stubs
processors.add(
new JarTransformerChain(
new RemappingClassTransformer[] {new RemappingClassTransformer(pr)}));
processors.add(new ResourceProcessor(pr));
processors.add(new ServiceProcessor(pr));
chain = new JarProcessorChain(processors.toArray(new JarProcessor[0]));
}
public void strip(File file) throws IOException {
if (kp == null) {
return;
}
Set<String> excludes = getExcludes();
if (!excludes.isEmpty()) {
StandaloneJarProcessor.run(file, file, new ExcludeProcessor(excludes, verbose));
}
}
/**
* Returns the <code>.class</code> files to delete. As well the root-parameter as the rename ones
* are taken in consideration, so that the concerned files are not listed in the result.
*
* @return the paths of the files in the jar-archive, including the <code>.class</code> suffix
*/
private Set<String> getExcludes() {
Set<String> result = new HashSet<>();
for (String exclude : kp.getExcludes()) {
String name = exclude + ".class";
String renamed = renames.get(name);
result.add((renamed != null) ? renamed : name);
}
return result;
}
/**
* @param struct
* @return <code>true</code> if the entry is to include in the output jar
* @throws IOException
*/
public boolean process(EntryStruct struct) throws IOException {
String name = struct.name;
boolean keepIt = chain.process(struct);
if (keepIt) {
if (!name.equals(struct.name)) {
if (kp != null) {
renames.put(name, struct.name);
}
if (verbose) {
System.err.println("Renamed " + name + " -> " + struct.name);
}
}
} else {
if (verbose) {
System.err.println("Removed " + name);
}
}
return keepIt;
}
}
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