/* | |
* Copyright 2011 gitblit.com. | |
* | |
* 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.gitblit; | |
import java.io.File; | |
import java.io.FileInputStream; | |
import java.io.FileOutputStream; | |
import java.io.InputStream; | |
import java.io.OutputStream; | |
import java.text.MessageFormat; | |
import java.util.Enumeration; | |
import java.util.Map; | |
import java.util.Properties; | |
import javax.servlet.ServletContext; | |
import com.gitblit.utils.StringUtils; | |
/** | |
* Loads Gitblit settings from the context-parameter values of a web.xml file. | |
* | |
* @author James Moger | |
* | |
*/ | |
public class WebXmlSettings extends IStoredSettings { | |
private final Properties properties = new Properties(); | |
private File overrideFile; | |
public WebXmlSettings(ServletContext context) { | |
super(WebXmlSettings.class); | |
Enumeration<?> keys = context.getInitParameterNames(); | |
while (keys.hasMoreElements()) { | |
String key = keys.nextElement().toString(); | |
String value = context.getInitParameter(key); | |
properties.put(key, decodeValue(value)); | |
logger.debug(key + "=" + properties.getProperty(key)); | |
} | |
} | |
public void applyOverrides(File overrideFile) { | |
this.overrideFile = overrideFile; | |
// apply any web-configured overrides | |
if (overrideFile.exists()) { | |
try { | |
InputStream is = new FileInputStream(overrideFile); | |
properties.load(is); | |
is.close(); | |
} catch (Throwable t) { | |
logger.error( | |
MessageFormat.format("Failed to apply {0} setting overrides", | |
overrideFile.getAbsolutePath()), t); | |
} | |
} | |
} | |
private String decodeValue(String value) { | |
// decode escaped backslashes and HTML entities | |
return StringUtils.decodeFromHtml(value).replace("\\\\", "\\"); | |
} | |
@Override | |
protected Properties read() { | |
return properties; | |
} | |
@Override | |
public synchronized boolean saveSettings() { | |
try { | |
Properties props = new Properties(); | |
// load pre-existing web-configuration | |
if (overrideFile.exists()) { | |
InputStream is = new FileInputStream(overrideFile); | |
props.load(is); | |
is.close(); | |
} | |
// put all new settings and persist | |
for (String key : removals) { | |
props.remove(key); | |
} | |
removals.clear(); | |
OutputStream os = new FileOutputStream(overrideFile); | |
props.store(os, null); | |
os.close(); | |
// override current runtime settings | |
properties.clear(); | |
properties.putAll(props); | |
return true; | |
} catch (Throwable t) { | |
logger.error("Failed to save settings!", t); | |
} | |
return false; | |
} | |
@Override | |
public synchronized boolean saveSettings(Map<String, String> settings) { | |
try { | |
Properties props = new Properties(); | |
// load pre-existing web-configuration | |
if (overrideFile.exists()) { | |
InputStream is = new FileInputStream(overrideFile); | |
props.load(is); | |
is.close(); | |
} | |
// put all new settings and persist | |
props.putAll(settings); | |
OutputStream os = new FileOutputStream(overrideFile); | |
props.store(os, null); | |
os.close(); | |
// override current runtime settings | |
properties.putAll(settings); | |
return true; | |
} catch (Throwable t) { | |
logger.error("Failed to save settings!", t); | |
} | |
return false; | |
} | |
@Override | |
public String toString() { | |
return "WEB.XML"; | |
} | |
} |