Android example source code file (ClassPathPackageInfo.java)

This example Android source code file (ClassPathPackageInfo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, classpathpackageinfo, classpathpackageinfosource, collect, collection, collections, google, override, set, string, util

The ClassPathPackageInfo.java Android example source code

/*
 * Copyright (C) 2008 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 android.test;

import com.google.android.collect.Sets;

import java.util.Collections;
import java.util.Set;

/**
 * The Package object doesn't allow you to iterate over the contained
 * classes and subpackages of that package.  This is a version that does.
 * 
 * {@hide} Not needed for 1.0 SDK.
 */
public class ClassPathPackageInfo {

    private final ClassPathPackageInfoSource source;
    private final String packageName;
    private final Set<String> subpackageNames;
    private final Set<Class topLevelClasses;

    ClassPathPackageInfo(ClassPathPackageInfoSource source, String packageName,
            Set<String> subpackageNames, Set> topLevelClasses) {
        this.source = source;
        this.packageName = packageName;
        this.subpackageNames = Collections.unmodifiableSet(subpackageNames);
        this.topLevelClasses = Collections.unmodifiableSet(topLevelClasses);
    }

    public Set<ClassPathPackageInfo> getSubpackages() {
        Set<ClassPathPackageInfo> info = Sets.newHashSet();
        for (String name : subpackageNames) {
            info.add(source.getPackageInfo(name));
        }
        return info;
    }

    public Set<Class getTopLevelClassesRecursive() {
        Set<Class set = Sets.newHashSet();
        addTopLevelClassesTo(set);
        return set;
    }

    private void addTopLevelClassesTo(Set<Class set) {
        set.addAll(topLevelClasses);
        for (ClassPathPackageInfo info : getSubpackages()) {
            info.addTopLevelClassesTo(set);
        }
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof ClassPathPackageInfo) {
            ClassPathPackageInfo that = (ClassPathPackageInfo) obj;
            return (this.packageName).equals(that.packageName);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return packageName.hashCode();
    }
}