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/*
* Copyright (C) 2010 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.ant;
import com.android.sdklib.SdkConstants;
import com.android.sdklib.internal.project.ProjectProperties;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Path;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
final class TaskHelper {
static File getSdkLocation(Project antProject) {
// get the SDK location
String sdkOsPath = antProject.getProperty(ProjectProperties.PROPERTY_SDK);
// check if it's valid and exists
if (sdkOsPath == null || sdkOsPath.length() == 0) {
throw new BuildException("SDK Location is not set.");
}
File sdk = new File(sdkOsPath);
if (sdk.isDirectory() == false) {
throw new BuildException(String.format("SDK Location '%s' is not valid.", sdkOsPath));
}
return sdk;
}
/**
* Returns the revision of the tools for a given SDK.
* @param sdkFile the {@link File} for the root folder of the SDK
* @return the tools revision or -1 if not found.
*/
static int getToolsRevision(File sdkFile) {
Properties p = new Properties();
try{
// tools folder must exist, or this custom task wouldn't run!
File toolsFolder= new File(sdkFile, SdkConstants.FD_TOOLS);
File sourceProp = new File(toolsFolder, SdkConstants.FN_SOURCE_PROP);
FileInputStream fis = null;
try {
fis = new FileInputStream(sourceProp);
p.load(fis);
} finally {
if (fis != null) {
try {
fis.close();
} catch (IOException ignore) {
}
}
}
String value = p.getProperty("Pkg.Revision"); //$NON-NLS-1$
if (value != null) {
return Integer.parseInt(value);
}
} catch (FileNotFoundException e) {
// couldn't find the file? return -1 below.
} catch (IOException e) {
// couldn't find the file? return -1 below.
}
return -1;
}
static String checkSinglePath(String attribute, Path path) {
String[] paths = path.list();
if (paths.length != 1) {
throw new BuildException(String.format(
"Value for '%1$s' is not valid. It must resolve to a single path", attribute));
}
return paths[0];
}
}
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