Java tutorial
/* * 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.idea.blaze.android.run.deployinfo; import com.google.common.collect.ImmutableList; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; import com.google.common.util.concurrent.ListenableFuture; import com.google.idea.blaze.android.manifest.ManifestParser; import com.google.idea.blaze.base.async.process.LineProcessingOutputStream; import com.google.idea.blaze.base.command.ExperimentalShowArtifactsLineProcessor; import com.google.idea.blaze.base.command.info.BlazeInfo; import com.google.idea.blaze.base.model.primitives.WorkspaceRoot; import com.google.idea.blaze.base.scope.BlazeContext; import com.google.idea.blaze.base.settings.Blaze; import com.google.repackaged.devtools.build.lib.rules.android.deployinfo.AndroidDeployInfoOuterClass; import com.intellij.openapi.diagnostic.Logger; import com.intellij.openapi.project.Project; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.util.List; import java.util.concurrent.ExecutionException; import javax.annotation.Nullable; /** Reads the deploy info from a build step. */ public class BlazeApkDeployInfoProtoHelper { private static final Logger LOG = Logger.getInstance(BlazeApkDeployInfoProtoHelper.class); private final Project project; private final WorkspaceRoot workspaceRoot; private final ImmutableList<String> buildFlags; private final List<File> deployInfoFiles = Lists.newArrayList(); private final LineProcessingOutputStream.LineProcessor lineProcessor = new ExperimentalShowArtifactsLineProcessor( deployInfoFiles, fileName -> fileName.endsWith(".deployinfo.pb")); public BlazeApkDeployInfoProtoHelper(Project project, ImmutableList<String> buildFlags) { this.project = project; this.buildFlags = buildFlags; this.workspaceRoot = WorkspaceRoot.fromProject(project); } public LineProcessingOutputStream.LineProcessor getLineProcessor() { return lineProcessor; } @Nullable public BlazeAndroidDeployInfo readDeployInfo(BlazeContext context) { File deployInfoFile = Iterables.getOnlyElement(deployInfoFiles, null); if (deployInfoFile == null) { return null; } AndroidDeployInfoOuterClass.AndroidDeployInfo deployInfo; try (InputStream inputStream = new FileInputStream(deployInfoFile)) { deployInfo = AndroidDeployInfoOuterClass.AndroidDeployInfo.parseFrom(inputStream); } catch (IOException e) { LOG.error(e); return null; } String executionRoot = getExecutionRoot(context); if (executionRoot == null) { return null; } BlazeAndroidDeployInfo androidDeployInfo = new BlazeAndroidDeployInfo(project, new File(executionRoot), deployInfo); List<File> manifestFiles = androidDeployInfo.getManifestFiles(); ManifestParser.getInstance(project).refreshManifests(manifestFiles); return androidDeployInfo; } @Nullable private String getExecutionRoot(BlazeContext context) { ListenableFuture<String> execRootFuture = BlazeInfo.getInstance().runBlazeInfo(context, Blaze.getBuildSystem(project), workspaceRoot, buildFlags, BlazeInfo.EXECUTION_ROOT_KEY); try { return execRootFuture.get(); } catch (InterruptedException e) { context.setCancelled(); } catch (ExecutionException e) { LOG.error(e); context.setHasError(); } return null; } }