/**
* Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
/*
* Created on Sep 13, 2005
*
* @author Fabio Zadrozny
*/
package com.python.pydev.analysis.additionalinfo;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.python.pydev.core.IInterpreterInfo;
import org.python.pydev.core.IInterpreterManager;
import org.python.pydev.core.ISystemModulesManager;
import org.python.pydev.core.MisconfigurationException;
import org.python.pydev.core.docutils.StringUtils;
import org.python.pydev.core.log.Log;
import org.python.pydev.ui.interpreters.PythonInterpreterManager;
import org.python.pydev.ui.pythonpathconf.InterpreterInfo;
import com.aptana.shared_core.structure.Tuple;
import com.python.pydev.analysis.AnalysisPlugin;
public class AdditionalSystemInterpreterInfo extends AbstractAdditionalInfoWithBuild {
private final IInterpreterManager manager;
private final String additionalInfoInterpreter;
/**
* holds system info (interpreter name points to system info)
*/
private final static Map<Tuple<String, String>, AbstractAdditionalTokensInfo> additionalSystemInfo = new HashMap<Tuple<String, String>, AbstractAdditionalTokensInfo>();
private final static Object additionalSystemInfoLock = new Object();
private final File persistingFolder;
private final File persistingLocation;
public IInterpreterManager getManager() {
return manager;
}
public String getAdditionalInfoInterpreter() {
return additionalInfoInterpreter;
}
/**
* @return the path to the folder we want to keep things on
* @throws MisconfigurationException
*/
protected File getPersistingFolder() {
return persistingFolder;
}
@Override
protected File getPersistingLocation() throws MisconfigurationException {
return persistingLocation;
}
public AdditionalSystemInterpreterInfo(IInterpreterManager manager, String interpreter)
throws MisconfigurationException {
super(false); //don't call init just right now...
this.manager = manager;
this.additionalInfoInterpreter = interpreter;
File base;
try {
IPath stateLocation = AnalysisPlugin.getDefault().getStateLocation();
base = stateLocation.toFile();
} catch (Exception e) {
//it may fail in tests... (save it in default folder in this cases)
Log.logInfo("Error getting persisting folder", e);
base = new File(".");
}
File file = new File(base, manager.getManagerRelatedName() + "_"
+ StringUtils.getExeAsFileSystemValidPath(this.additionalInfoInterpreter));
try {
if (!file.exists()) {
file.mkdirs();
}
} catch (Exception e) {
Log.log(e);
}
persistingFolder = file;
persistingLocation = new File(persistingFolder, manager.getManagerRelatedName() + ".pydevsysteminfo");
init();
}
public static AbstractAdditionalDependencyInfo getAdditionalSystemInfo(IInterpreterManager manager,
String interpreter) throws MisconfigurationException {
return getAdditionalSystemInfo(manager, interpreter, false);
}
/**
* Should only be used in tests.
*/
public static void setAdditionalSystemInfo(PythonInterpreterManager manager, String executableOrJar,
AdditionalSystemInterpreterInfo additionalInfo) {
synchronized (additionalSystemInfoLock) {
Tuple<String, String> key = new Tuple<String, String>(manager.getManagerRelatedName(), executableOrJar);
additionalSystemInfo.put(key, additionalInfo);
}
}
/**
* @param m the module manager that we want to get info on (python, jython...)
* @return the additional info for the system
* @throws MisconfigurationException
*/
public static AbstractAdditionalDependencyInfo getAdditionalSystemInfo(IInterpreterManager manager,
String interpreter, boolean errorIfNotAvailable) throws MisconfigurationException {
Tuple<String, String> key = new Tuple<String, String>(manager.getManagerRelatedName(), interpreter);
synchronized (additionalSystemInfoLock) {
AbstractAdditionalDependencyInfo info = (AbstractAdditionalDependencyInfo) additionalSystemInfo.get(key);
if (info == null) {
//lazy-load.
info = new AdditionalSystemInterpreterInfo(manager, interpreter);
additionalSystemInfo.put(key, info);
if (!info.load()) {
try {
recreateAllInfo(manager, interpreter, new NullProgressMonitor());
info = (AbstractAdditionalDependencyInfo) additionalSystemInfo.get(key);
} catch (Exception e) {
Log.log(e);
}
}
}
return info;
}
}
public static void recreateAllInfo(IInterpreterManager manager, String interpreter, IProgressMonitor monitor) {
synchronized (additionalSystemInfoLock) {
try {
final IInterpreterInfo interpreterInfo = manager.getInterpreterInfo(interpreter, monitor);
int grammarVersion = interpreterInfo.getGrammarVersion();
AbstractAdditionalTokensInfo currInfo = AdditionalSystemInterpreterInfo.getAdditionalSystemInfo(
manager, interpreter);
if (currInfo != null) {
currInfo.clearAllInfo();
}
InterpreterInfo defaultInterpreterInfo = (InterpreterInfo) manager.getInterpreterInfo(interpreter,
monitor);
ISystemModulesManager m = defaultInterpreterInfo.getModulesManager();
AbstractAdditionalTokensInfo info = restoreInfoForModuleManager(monitor, m,
"(system: " + manager.getManagerRelatedName() + " - " + interpreter + ")",
new AdditionalSystemInterpreterInfo(manager, interpreter), null, grammarVersion);
if (info != null) {
//ok, set it and save it
additionalSystemInfo.put(new Tuple<String, String>(manager.getManagerRelatedName(), interpreter),
info);
info.save();
}
} catch (Throwable e) {
Log.log(e);
}
}
}
//Make it available for being in a HashSet.
@Override
public int hashCode() {
return this.additionalInfoInterpreter.hashCode();
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof AdditionalSystemInterpreterInfo)) {
return false;
}
AdditionalSystemInterpreterInfo additionalSystemInterpreterInfo = (AdditionalSystemInterpreterInfo) obj;
return this.additionalInfoInterpreter.equals(additionalSystemInterpreterInfo.additionalInfoInterpreter);
}
}