/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* 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.badlogic.gdx.backends.headless;
import com.badlogic.gdx.Files.FileType;
import com.badlogic.gdx.Preferences;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.utils.GdxRuntimeException;
import com.badlogic.gdx.utils.StreamUtils;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
public class HeadlessPreferences implements Preferences {
private final String name;
private final Properties properties = new Properties();
private final FileHandle file;
public HeadlessPreferences(String name, String directory) {
this(new HeadlessFileHandle(new File(directory, name), FileType.External));
}
public HeadlessPreferences(FileHandle file) {
this.name = file.name();
this.file = file;
if (!file.exists()) return;
InputStream in = null;
try {
in = new BufferedInputStream(file.read());
properties.loadFromXML(in);
} catch (Throwable t) {
t.printStackTrace();
} finally {
StreamUtils.closeQuietly(in);
}
}
@Override
public Preferences putBoolean (String key, boolean val) {
properties.put(key, Boolean.toString(val));
return this;
}
@Override
public Preferences putInteger (String key, int val) {
properties.put(key, Integer.toString(val));
return this;
}
@Override
public Preferences putLong (String key, long val) {
properties.put(key, Long.toString(val));
return this;
}
@Override
public Preferences putFloat (String key, float val) {
properties.put(key, Float.toString(val));
return this;
}
@Override
public Preferences putString (String key, String val) {
properties.put(key, val);
return this;
}
@Override
public Preferences put (Map<String, ?> vals) {
for (Entry<String, ?> val : vals.entrySet()) {
if (val.getValue() instanceof Boolean) putBoolean(val.getKey(), (Boolean)val.getValue());
if (val.getValue() instanceof Integer) putInteger(val.getKey(), (Integer)val.getValue());
if (val.getValue() instanceof Long) putLong(val.getKey(), (Long)val.getValue());
if (val.getValue() instanceof String) putString(val.getKey(), (String)val.getValue());
if (val.getValue() instanceof Float) putFloat(val.getKey(), (Float)val.getValue());
}
return this;
}
@Override
public boolean getBoolean (String key) {
return getBoolean(key, false);
}
@Override
public int getInteger (String key) {
return getInteger(key, 0);
}
@Override
public long getLong (String key) {
return getLong(key, 0);
}
@Override
public float getFloat (String key) {
return getFloat(key, 0);
}
@Override
public String getString (String key) {
return getString(key, "");
}
@Override
public boolean getBoolean (String key, boolean defValue) {
return Boolean.parseBoolean(properties.getProperty(key, Boolean.toString(defValue)));
}
@Override
public int getInteger (String key, int defValue) {
return Integer.parseInt(properties.getProperty(key, Integer.toString(defValue)));
}
@Override
public long getLong (String key, long defValue) {
return Long.parseLong(properties.getProperty(key, Long.toString(defValue)));
}
@Override
public float getFloat (String key, float defValue) {
return Float.parseFloat(properties.getProperty(key, Float.toString(defValue)));
}
@Override
public String getString (String key, String defValue) {
return properties.getProperty(key, defValue);
}
@Override
public Map<String, ?> get () {
Map<String, Object> map = new HashMap<String, Object>();
for (Entry<Object, Object> val : properties.entrySet()) {
if (val.getValue() instanceof Boolean)
map.put((String)val.getKey(), (Boolean)Boolean.parseBoolean((String)val.getValue()));
if (val.getValue() instanceof Integer) map.put((String)val.getKey(), (Integer)Integer.parseInt((String)val.getValue()));
if (val.getValue() instanceof Long) map.put((String)val.getKey(), (Long)Long.parseLong((String)val.getValue()));
if (val.getValue() instanceof String) map.put((String)val.getKey(), (String)val.getValue());
if (val.getValue() instanceof Float) map.put((String)val.getKey(), (Float)Float.parseFloat((String)val.getValue()));
}
return map;
}
@Override
public boolean contains (String key) {
return properties.containsKey(key);
}
@Override
public void clear () {
properties.clear();
}
@Override
public void flush () {
OutputStream out = null;
try {
out = new BufferedOutputStream(file.write(false));
properties.storeToXML(out, null);
} catch (Exception ex) {
throw new GdxRuntimeException("Error writing preferences: " + file, ex);
} finally {
StreamUtils.closeQuietly(out);
}
}
@Override
public void remove (String key) {
properties.remove(key);
}
}