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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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.ide.eclipse.adt.internal;
import com.android.SdkConstants;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.AdtPlugin.CheckSdkErrorHandler;
import com.android.ide.eclipse.adt.AdtPlugin.CheckSdkErrorHandler.Solution;
import com.android.ide.eclipse.adt.Messages;
import com.android.sdklib.repository.FullRevision;
import com.android.sdklib.repository.FullRevision.PreviewComparison;
import com.android.sdklib.repository.PkgProps;
import org.osgi.framework.Constants;
import org.osgi.framework.Version;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Class handling the version check for the plugin vs. the SDK.<br>
* The plugin must be able to support all version of the SDK.
*
* <p/>An SDK can require a new version of the plugin.
* <p/>The SDK contains a file with the minimum version for the plugin. This file is inside the
* <code>tools/lib</code> directory, and is called <code>plugin.prop</code>.<br>
* Inside that text file, there is a line in the format "plugin.version=#.#.#". This is checked
* against the current plugin version.<br>
*
*/
public final class VersionCheck {
/**
* The minimum version of the SDK Tools that this version of ADT requires.
*/
private final static FullRevision MIN_TOOLS_REV = new FullRevision(24, 0, 2, 0);
/**
* Pattern to get the minimum plugin version supported by the SDK. This is read from
* the file <code>$SDK/tools/lib/plugin.prop</code>.
*/
private final static Pattern sPluginVersionPattern = Pattern.compile(
"^plugin.version=(\\d+)\\.(\\d+)\\.(\\d+).*$"); //$NON-NLS-1$
private final static Pattern sSourcePropPattern = Pattern.compile(
"^" + PkgProps.PKG_REVISION + "=(.*)$"); //$NON-NLS-1$
/**
* Checks the plugin and the SDK have compatible versions.
* @param osSdkPath The path to the SDK
* @return true if compatible.
*/
public static boolean checkVersion(String osSdkPath, CheckSdkErrorHandler errorHandler) {
AdtPlugin plugin = AdtPlugin.getDefault();
String osLibs = osSdkPath + SdkConstants.OS_SDK_TOOLS_LIB_FOLDER;
// get the plugin property file, and grab the minimum plugin version required
// to work with the sdk
int minMajorVersion = -1;
int minMinorVersion = -1;
int minMicroVersion = -1;
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(osLibs + SdkConstants.FN_PLUGIN_PROP));
String line;
while ((line = reader.readLine()) != null) {
Matcher m = sPluginVersionPattern.matcher(line);
if (m.matches()) {
minMajorVersion = Integer.parseInt(m.group(1));
minMinorVersion = Integer.parseInt(m.group(2));
minMicroVersion = Integer.parseInt(m.group(3));
break;
}
}
} catch (FileNotFoundException e) {
// the build id will be null, and this is handled by the builders.
} catch (IOException e) {
// the build id will be null, and this is handled by the builders.
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
} finally {
reader = null;
}
}
}
// Failed to get the min plugin version number?
if (minMajorVersion == -1 || minMinorVersion == -1 || minMicroVersion ==-1) {
return errorHandler.handleWarning(
Solution.OPEN_SDK_MANAGER,
Messages.VersionCheck_Plugin_Version_Failed);
}
// Are the build tools installed? We can't query Sdk#getLatestBuildTool yet, since
// SDK initialization typically hasn't completed yet and Sdk.getCurrent() is null.
File buildToolsFolder = new File(osSdkPath, SdkConstants.FD_BUILD_TOOLS);
if (!buildToolsFolder.isDirectory()) {
return errorHandler.handleWarning(
Solution.OPEN_SDK_MANAGER,
Messages.VersionCheck_Build_Tool_Missing);
}
// test the plugin number
String versionString = (String) plugin.getBundle().getHeaders().get(
Constants.BUNDLE_VERSION);
Version version = new Version(versionString);
boolean valid = true;
if (version.getMajor() < minMajorVersion) {
valid = false;
} else if (version.getMajor() == minMajorVersion) {
if (version.getMinor() < minMinorVersion) {
valid = false;
} else if (version.getMinor() == minMinorVersion) {
if (version.getMicro() < minMicroVersion) {
valid = false;
}
}
}
if (valid == false) {
return errorHandler.handleError(
Solution.OPEN_P2_UPDATE,
String.format(Messages.VersionCheck_Plugin_Too_Old,
minMajorVersion, minMinorVersion, minMicroVersion, versionString));
}
// now check whether the tools are new enough.
String osTools = osSdkPath + SdkConstants.OS_SDK_TOOLS_FOLDER;
FullRevision toolsRevision = new FullRevision(Integer.MAX_VALUE);
try {
reader = new BufferedReader(new FileReader(osTools + SdkConstants.FN_SOURCE_PROP));
String line;
while ((line = reader.readLine()) != null) {
Matcher m = sSourcePropPattern.matcher(line);
if (m.matches()) {
try {
toolsRevision = FullRevision.parseRevision(m.group(1));
} catch (NumberFormatException ignore) {}
break;
}
}
} catch (FileNotFoundException e) {
// the build id will be null, and this is handled by the builders.
} catch (IOException e) {
// the build id will be null, and this is handled by the builders.
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
} finally {
reader = null;
}
}
}
if (toolsRevision.compareTo(MIN_TOOLS_REV, PreviewComparison.IGNORE) < 0) {
// this is a warning only as we need to parse the SDK to allow updating
// of the tools!
return errorHandler.handleWarning(
Solution.OPEN_SDK_MANAGER,
String.format(Messages.VersionCheck_Tools_Too_Old,
MIN_TOOLS_REV, toolsRevision));
}
return true; // no error!
}
}
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