com.google.devtools.build.android.dexer.ZipEntryPredicates.java Source code

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Here is the source code for com.google.devtools.build.android.dexer.ZipEntryPredicates.java

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// Copyright 2016 The Bazel Authors. 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.build.android.dexer;

import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableSet;

import java.util.zip.ZipEntry;

class ZipEntryPredicates {

    public static Predicate<ZipEntry> isDirectory() {
        return new Predicate<ZipEntry>() {
            @Override
            public boolean apply(ZipEntry input) {
                return input.isDirectory();
            }
        };
    }

    public static Predicate<ZipEntry> suffixes(final String... suffixes) {
        return new Predicate<ZipEntry>() {
            @Override
            public boolean apply(ZipEntry input) {
                String filename = input.getName();
                for (String suffix : suffixes) {
                    if (filename.endsWith(suffix)) {
                        return true;
                    }
                }
                return false;
            }
        };
    }

    public static Predicate<ZipEntry> classFileFilter(final ImmutableSet<String> classFileNames) {
        return new Predicate<ZipEntry>() {
            @Override
            public boolean apply(ZipEntry input) {
                String filename = input.getName();
                if (filename.endsWith(".class.dex")) {
                    // Chop off file suffix generated by DexBuilder
                    filename = filename.substring(0, filename.length() - ".dex".length());
                }
                return filename.endsWith(".class") && classFileNames.contains(filename);
            }
        };
    }

    private ZipEntryPredicates() {
    }
}