com.android.tools.idea.run.ApkUploaderService.java Source code

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Here is the source code for com.android.tools.idea.run.ApkUploaderService.java

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/*
 * Copyright (C) 2014 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.tools.idea.run;

import com.android.ddmlib.*;
import com.google.common.collect.Maps;
import com.google.common.hash.HashCode;
import com.google.common.hash.Hashing;
import com.google.common.io.Files;
import com.intellij.openapi.Disposable;
import org.jetbrains.annotations.NotNull;

import java.io.File;
import java.io.IOException;
import java.util.Map;

public class ApkUploaderService implements AndroidDebugBridge.IDeviceChangeListener, Disposable {

    /**
     * A map from device serial -> apk path -> content hashcode.
     * The path used is the remote path which is basically the package name. This way the cache gives us, for each device, the hashcode
     * of each application that was uploaded.
     */
    private final Map<String, Map<String, HashCode>> myCache = Maps.newHashMap();

    public ApkUploaderService() {
        AndroidDebugBridge.addDeviceChangeListener(this);
    }

    @Override
    public void dispose() {
        AndroidDebugBridge.removeDeviceChangeListener(this);
    }

    /** Returns true if the apk was uploaded to the device, and false if it was already present on the device. */
    public boolean uploadApk(@NotNull IDevice device, @NotNull String localPath, @NotNull String remotePath)
            throws AdbCommandRejectedException, IOException, TimeoutException, SyncException {

        HashCode hash = Files.hash(new File(localPath), Hashing.goodFastHash(32));

        String serial = device.getSerialNumber();
        Map<String, HashCode> cache = myCache.get(serial);
        if (cache != null) {
            HashCode got = cache.get(remotePath);
            if (hash.equals(got)) {
                return false;
            } else {
                // Remove it in case there is an error uploading the apk.
                cache.remove(remotePath);
            }
        } else {
            cache = Maps.newHashMap();
            myCache.put(serial, cache);
        }

        device.pushFile(localPath, remotePath);
        cache.put(remotePath, hash);
        return true;
    }

    @Override
    public void deviceConnected(IDevice device) {
    }

    @Override
    public void deviceDisconnected(IDevice device) {
        myCache.remove(device.getSerialNumber());
    }

    @Override
    public void deviceChanged(IDevice device, int changeMask) {
    }
}