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/*******************************************************************************
* Copyright (c) 2014, 2015 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.terminals.local.showin;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Platform;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
import org.eclipse.tcf.te.ui.terminals.local.activator.UIPlugin;
/**
* External executables manager implementation.
*/
public class ExternalExecutablesManager {
/**
* Loads the list of all saved external executables.
*
* @return The list of all saved external executables or <code>null</code>.
*/
public static List<Map<String, String>> load() {
List<Map<String, String>> l = new ArrayList<Map<String, String>>();
IPath stateLocation = UIPlugin.getDefault().getStateLocation();
if (stateLocation != null) {
File f = stateLocation.append(".executables/data.properties").toFile(); //$NON-NLS-1$
if (f.canRead()) {
FileReader r = null;
try {
Properties data = new Properties();
r= new FileReader(f);
data.load(r);
Map<Integer, Map<String, String>> c = new HashMap<Integer, Map<String, String>>();
for (String name : data.stringPropertyNames()) {
if (name == null || name.indexOf('.') == -1) continue;
int ix = name.indexOf('.');
String n = name.substring(0, ix);
String k = (ix + 1) < name.length() ? name.substring(ix + 1) : null;
if (n == null || k == null) continue;
Integer i = null;
try { i = Integer.decode(n); } catch (NumberFormatException e) { /* ignored on purpose */ }
if (i == null) continue;
Map<String, String> m = c.get(i);
if (m == null) {
m = new HashMap<String, String>();
c.put(i, m);
}
Assert.isNotNull(m);
m.put(k, data.getProperty(name));
}
List<Integer> k = new ArrayList<Integer>(c.keySet());
Collections.sort(k);
for (Integer i : k) {
Map<String, String> m = c.get(i);
if (m != null && !m.isEmpty()) l.add(m);
}
} catch (Exception e) {
if (Platform.inDebugMode()) {
e.printStackTrace();
}
} finally {
if (r != null) try { r.close(); } catch (IOException e) { /* ignored on purpose */ }
}
}
}
return l;
}
/**
* Saves the list of external executables.
*
* @param l The list of external executables or <code>null</code>.
*/
public static void save(List<Map<String, String>> l) {
IPath stateLocation = UIPlugin.getDefault().getStateLocation();
if (stateLocation != null) {
File f = stateLocation.append(".executables/data.properties").toFile(); //$NON-NLS-1$
if (f.isFile() && (l == null || l.isEmpty())) {
@SuppressWarnings("unused")
boolean s = f.delete();
} else {
FileWriter w = null;
try {
Properties data = new Properties();
for (int i = 0; i < l.size(); i++) {
Map<String, String> m = l.get(i);
for (Entry<String, String> e : m.entrySet()) {
String key = Integer.toString(i) + "." + e.getKey(); //$NON-NLS-1$
data.setProperty(key, e.getValue());
}
}
if (!f.exists()) {
@SuppressWarnings("unused")
boolean s = f.getParentFile().mkdirs();
s = f.createNewFile();
}
w = new FileWriter(f);
data.store(w, null);
} catch (Exception e) {
if (Platform.inDebugMode()) {
e.printStackTrace();
}
} finally {
if (w != null) {
try {
w.flush();
w.close();
} catch (IOException e) {
/* ignored on purpose */
}
}
}
}
}
}
/**
* Loads the image data suitable for showing an icon in a menu
* (16 x 16, 8bit depth) from the given file.
*
* @param path The image file path. Must not be <code>null</code>.
* @return The image data or <code>null</code>.
*/
public static ImageData loadImage(String path) {
Assert.isNotNull(path);
ImageData id = null;
ImageLoader loader = new ImageLoader();
ImageData[] data = loader.load(path);
if (data != null) {
for (ImageData d : data) {
if (d.height == 16 && d.width == 16) {
if (id == null || id.height != 16 && id.width != 16) {
id = d;
} else if (d.depth < id.depth && d.depth >= 8){
id = d;
}
} else {
if (id == null) {
id = d;
} else if (id.height != 16 && d.height < id.height && id.width != 16 && d.width < id.width) {
id = d;
}
}
}
}
return id;
}
}
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