/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2011, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.joran.action;
import javax.naming.Context;
import javax.naming.NamingException;
import org.xml.sax.Attributes;
import ch.qos.logback.classic.util.JNDIUtil;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.action.ActionUtil;
import ch.qos.logback.core.joran.action.ActionUtil.Scope;
import ch.qos.logback.core.joran.spi.InterpretationContext;
import ch.qos.logback.core.util.OptionHelper;
/**
* Insert an env-entry found in JNDI as a new context variable
* @author Ceki Gulcu
*
*/
public class InsertFromJNDIAction extends Action {
public static String ENV_ENTRY_NAME_ATTR="env-entry-name";
public static String AS_ATTR="as";
public void begin(InterpretationContext ec, String name, Attributes attributes) {
int errorCount = 0;
String envEntryName = ec.subst(attributes.getValue(ENV_ENTRY_NAME_ATTR));
String asKey = ec.subst(attributes.getValue(AS_ATTR));
String scopeStr = attributes.getValue(SCOPE_ATTRIBUTE);
Scope scope = ActionUtil.stringToScope(scopeStr);
String envEntryValue;
if(OptionHelper.isEmpty(envEntryName)) {
String lineColStr = getLineColStr(ec);
addError("["+ENV_ENTRY_NAME_ATTR+"] missing, around "+lineColStr);
errorCount++;
}
if(OptionHelper.isEmpty(asKey)) {
String lineColStr = getLineColStr(ec);
addError("["+AS_ATTR+"] missing, around "+lineColStr);
errorCount++;
}
if(errorCount != 0) {
return;
}
try {
Context ctx = JNDIUtil.getInitialContext();
envEntryValue = JNDIUtil.lookup(ctx, envEntryName);
if(OptionHelper.isEmpty(envEntryValue)) {
addError("["+envEntryName+"] has null or empty value");
} else {
addInfo("Setting variable ["+asKey+"] to ["+envEntryValue+"] in ["+scope+"] scope");
ActionUtil.setProperty(ec, asKey, envEntryValue, scope);
}
} catch (NamingException e) {
addError("Failed to lookup JNDI env-entry ["+envEntryName+"]");
}
}
public void end(InterpretationContext ec, String name) {
}
}