| /* |
| * Copyright (C) 2015 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.databinding.tool; |
| |
| import com.google.common.base.Preconditions; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.io.IOUtils; |
| import org.gradle.api.DefaultTask; |
| import org.gradle.api.tasks.Input; |
| import org.gradle.api.tasks.TaskAction; |
| import org.gradle.api.tasks.bundling.Jar; |
| |
| import android.databinding.tool.processing.Scope; |
| import android.databinding.tool.util.L; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.List; |
| |
| /** |
| * Task to exclude generated classes from the Jar task of a library project |
| */ |
| public class DataBindingExcludeGeneratedTask extends DefaultTask { |
| private String appPackage; |
| private String infoClassQualifiedName; |
| @Input |
| private File generatedClassListFile; |
| private boolean isLibrary; |
| |
| private org.gradle.api.tasks.bundling.Jar packageTask; |
| private final String EXCLUDE_PATTERN = "android/databinding/layouts/*.*"; |
| |
| public void setAppPackage(String appPackage) { |
| this.appPackage = appPackage; |
| } |
| |
| public void setInfoClassQualifiedName(String infoClassQualifiedName) { |
| this.infoClassQualifiedName = infoClassQualifiedName; |
| } |
| |
| public void setLibrary(boolean isLibrary) { |
| this.isLibrary = isLibrary; |
| } |
| |
| public void setPackageTask(Jar packageTask) { |
| this.packageTask = packageTask; |
| } |
| |
| public void setGeneratedClassListFile(File generatedClassListFile) { |
| this.generatedClassListFile = generatedClassListFile; |
| } |
| |
| public String getAppPackage() { |
| return appPackage; |
| } |
| |
| public String getInfoClassQualifiedName() { |
| return infoClassQualifiedName; |
| } |
| |
| public File getGeneratedClassListFile() { |
| return generatedClassListFile; |
| } |
| |
| @TaskAction |
| public void excludeGenerated() { |
| L.d("Excluding generated classes from jar. Is library ? %s", isLibrary); |
| String appPkgAsClass = appPackage.replace('.', '/'); |
| String infoClassAsClass = infoClassQualifiedName.replace('.', '/'); |
| exclude(infoClassAsClass + ".class"); |
| exclude(EXCLUDE_PATTERN); |
| if (isLibrary) { |
| exclude(appPkgAsClass + "/BR.*"); |
| exclude("android/databinding/DynamicUtil.class"); |
| List<String> generatedClasses = readGeneratedClasses(); |
| for (String klass : generatedClasses) { |
| exclude(klass.replace('.', '/') + ".class"); |
| } |
| } |
| Scope.assertNoError(); |
| L.d("Excluding generated classes from library jar is done."); |
| } |
| |
| private void exclude(String pattern) { |
| L.d("exclude %s", pattern); |
| packageTask.exclude(pattern); |
| } |
| |
| private List<String> readGeneratedClasses() { |
| Preconditions.checkNotNull(generatedClassListFile, "Data binding exclude generated task" |
| + " is not configured properly"); |
| Preconditions.checkArgument(generatedClassListFile.exists(), |
| "Generated class list does not exist %s", generatedClassListFile.getAbsolutePath()); |
| FileInputStream fis = null; |
| try { |
| fis = new FileInputStream(generatedClassListFile); |
| return IOUtils.readLines(fis); |
| } catch (FileNotFoundException e) { |
| L.e(e, "Unable to read generated class list from %s", |
| generatedClassListFile.getAbsoluteFile()); |
| } catch (IOException e) { |
| L.e(e, "Unexpected exception while reading %s", |
| generatedClassListFile.getAbsoluteFile()); |
| } finally { |
| IOUtils.closeQuietly(fis); |
| } |
| Preconditions.checkState(false, "Could not read data binding generated class list"); |
| return null; |
| } |
| } |