com.google.devtools.javatools.transform.scrubber.StripAnnotatedDeclarations.java Source code

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Here is the source code for com.google.devtools.javatools.transform.scrubber.StripAnnotatedDeclarations.java

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/*
 * Copyright 2012 Google Inc. All Rights Reserved.
 *
 * 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.google.devtools.javatools.transform.scrubber;

import com.google.common.collect.ImmutableSet;
import com.google.devtools.javatools.transform.SourceTransformTask;
import com.google.devtools.javatools.transform.StringUtil;

import com.sun.source.tree.CompilationUnitTree;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;

import java.util.Collection;

/**
 * Transformation task that strips class, method, and field declarations that are annotated 
 * with specified annotations (e.g. @InternalOnly).
 */
public class StripAnnotatedDeclarations implements SourceTransformTask {
    private final ImmutableSet<String> stripAnnotations;
    private final ImmutableSet<String> includeAnnotations;

    public StripAnnotatedDeclarations(Collection<String> stripAnnotations, Collection<String> includeAnnotations) {
        this.stripAnnotations = ImmutableSet.copyOf(stripAnnotations);
        this.includeAnnotations = ImmutableSet.copyOf(includeAnnotations);
    }

    @Override
    public String transform(CompilationUnitTree tree, String fileContent) {
        StrippingRangeRecorder rangeRecorder = new StrippingRangeRecorder(fileContent, stripAnnotations,
                includeAnnotations);
        ((JCCompilationUnit) tree).accept(rangeRecorder);
        return StringUtil.stripRanges(fileContent, rangeRecorder.getRangesToRemove());
    }
}