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- /*
- * 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(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";
- }
- }
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