org.netbeans.upgrade.XMLStorage Maven / Gradle / Ivy
The newest version!
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.netbeans.upgrade;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.openide.ErrorManager;
import org.openide.filesystems.FileLock;
import org.openide.filesystems.FileObject;
import org.openide.util.RequestProcessor;
import org.openide.xml.XMLUtil;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
public class XMLStorage {
private static final Map colorToName = new HashMap ();
private static final Map nameToColor = new HashMap ();
private static final Map nameToFontStyle = new HashMap ();
private static final Map fontStyleToName = new HashMap ();
static {
colorToName.put (Color.black, "black");
nameToColor.put ("black", Color.black);
colorToName.put (Color.blue, "blue");
nameToColor.put ("blue", Color.blue);
colorToName.put (Color.cyan, "cyan");
nameToColor.put ("cyan", Color.cyan);
colorToName.put (Color.darkGray, "darkGray");
nameToColor.put ("darkGray", Color.darkGray);
colorToName.put (Color.gray, "gray");
nameToColor.put ("gray", Color.gray);
colorToName.put (Color.green, "green");
nameToColor.put ("green", Color.green);
colorToName.put (Color.lightGray, "lightGray");
nameToColor.put ("lightGray", Color.lightGray);
colorToName.put (Color.magenta, "magenta");
nameToColor.put ("magenta", Color.magenta);
colorToName.put (Color.orange, "orange");
nameToColor.put ("orange", Color.orange);
colorToName.put (Color.pink, "pink");
nameToColor.put ("pink", Color.pink);
colorToName.put (Color.red, "red");
nameToColor.put ("red", Color.red);
colorToName.put (Color.white, "white");
nameToColor.put ("white", Color.white);
colorToName.put (Color.yellow, "yellow");
nameToColor.put ("yellow", Color.yellow);
nameToFontStyle.put ("plain", Integer.valueOf (Font.PLAIN));
fontStyleToName.put (Integer.valueOf (Font.PLAIN), "plain");
nameToFontStyle.put ("bold", Integer.valueOf (Font.BOLD));
fontStyleToName.put (Integer.valueOf (Font.BOLD), "bold");
nameToFontStyle.put ("italic", Integer.valueOf (Font.ITALIC));
fontStyleToName.put (Integer.valueOf (Font.ITALIC), "italic");
nameToFontStyle.put ("bold+italic", Integer.valueOf (Font.BOLD + Font.ITALIC));
fontStyleToName.put (Integer.valueOf (Font.BOLD + Font.ITALIC), "bold+italic");
}
static String colorToString (Color color) {
if (colorToName.containsKey (color))
return (String) colorToName.get (color);
return Integer.toHexString (color.getRGB ());
}
static Color stringToColor (String color) throws Exception {
if (color.startsWith ("#"))
color = color.substring (1);
if (nameToColor.containsKey (color))
return (Color) nameToColor.get (color);
try {
return new Color ((int) Long.parseLong (color, 16));
} catch (NumberFormatException ex) {
throw new Exception ();
}
}
// generics support methods ................................................
private static RequestProcessor requestProcessor = new RequestProcessor ("XMLStorage");
static void save (final FileObject fo, final String content) {
if (fo == null) throw new NullPointerException ();
if (content == null) throw new NullPointerException ();
requestProcessor.post (new Runnable () {
@Override
public void run () {
try {
FileLock lock = fo.lock ();
try {
OutputStream os = fo.getOutputStream (lock);
try (Writer writer = new OutputStreamWriter (os, StandardCharsets.UTF_8)) {
writer.write (content);
}
} finally {
lock.releaseLock ();
}
} catch (IOException ex) {
ErrorManager.getDefault ().notify (ex);
}
}
});
}
static Object load (InputStream is, String name, Handler handler) {
try {
try {
XMLReader reader = XMLUtil.createXMLReader ();
reader.setEntityResolver (handler);
reader.setContentHandler (handler);
reader.parse (new InputSource (is));
return handler.getResult ();
} finally {
is.close ();
}
} catch (SAXException ex) {
if (System.getProperty ("org.netbeans.optionsDialog") != null) {
System.out.println("File: " + name);
ex.printStackTrace ();
}
return handler.getResult ();
} catch (IOException ex) {
if (System.getProperty ("org.netbeans.optionsDialog") != null) {
System.out.println("File: " + name);
ex.printStackTrace ();
}
return handler.getResult ();
} catch (Exception ex) {
if (System.getProperty ("org.netbeans.optionsDialog") != null) {
System.out.println("File: " + name);
ex.printStackTrace ();
}
return handler.getResult ();
}
}
static StringBuffer generateHeader () {
StringBuffer sb = new StringBuffer ();
sb.append ("\n\n");
return sb;
}
static void generateFolderStart (
StringBuffer sb,
String name,
Attribs attributes,
String indentation
) {
sb.append (indentation).append ('<').append (name);
if (attributes != null) {
if (!attributes.oneLine) sb.append ('\n');
else sb.append (' ');
generateAttributes (sb, attributes, indentation + " ");
if (!attributes.oneLine) sb.append (indentation);
sb.append (">\n");
} else
sb.append (">\n");
}
static void generateFolderEnd (StringBuffer sb, String name, String indentation) {
sb.append (indentation).append ("\n");
}
static void generateLeaf (
StringBuffer sb,
String name,
Attribs attributes,
String indentation
) {
sb.append (indentation).append ('<').append (name);
if (attributes != null) {
if (!attributes.oneLine) sb.append ('\n');
else sb.append (' ');
generateAttributes (sb, attributes, indentation + " ");
if (!attributes.oneLine) sb.append (indentation);
sb.append ("/>\n");
} else
sb.append ("/>\n");
}
private static void generateAttributes (
StringBuffer sb,
Attribs attributes,
String indentation
) {
if (attributes == null) return;
int i, k = attributes.names.size ();
for (i = 0; i < k; i++) {
if (!attributes.oneLine)
sb.append (indentation);
sb.append (attributes.names.get (i)).append ("=\"").
append (attributes.values.get (i)).append ('\"');
if (!attributes.oneLine)
sb.append ("\n");
else
if (i < (k - 1))
sb.append (' ');
}
}
static class Handler extends DefaultHandler {
private Object result;
void setResult (Object result) {
this.result = result;
}
Object getResult () {
return result;
}
}
static class Attribs {
private List names = new ArrayList ();
private List values = new ArrayList ();
private boolean oneLine;
Attribs (boolean oneLine) {
this.oneLine = oneLine;
}
void add (String name, String value) {
int i = names.indexOf (name);
if (i >= 0) {
names.remove (i);
values.remove (i);
} names.add (name);
values.add (value);
}
void clear () {
names.clear ();
values.clear ();
}
}
}