/*
* Copyright 1999,2004 The Apache Software Foundation. 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 org.apache.catalina.ssi;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import org.apache.catalina.util.DateTool;
import org.apache.catalina.util.Strftime;
/**
* Implements the Server-side #flastmod command
*
* @author Bip Thelin
* @author Paul Speed
* @author Dan Sandberg
* @author David Becker
* @version $Revision: 304061 $, $Date: 2005-08-17 15:21:37 -0600 (Wed, 17 Aug 2005) $
*/
public final class SSIFlastmod implements SSICommand {
/**
* @see SSICommand
*/
public long process(SSIMediator ssiMediator, String commandName,
String[] paramNames, String[] paramValues, PrintWriter writer) {
long lastModified = 0;
String configErrMsg = ssiMediator.getConfigErrMsg();
for (int i = 0; i < paramNames.length; i++) {
String paramName = paramNames[i];
String paramValue = paramValues[i];
String substitutedValue = ssiMediator
.substituteVariables(paramValue);
try {
if (paramName.equalsIgnoreCase("file")
|| paramName.equalsIgnoreCase("virtual")) {
boolean virtual = paramName.equalsIgnoreCase("virtual");
lastModified = ssiMediator.getFileLastModified(
substitutedValue, virtual);
Date date = new Date(lastModified);
String configTimeFmt = ssiMediator.getConfigTimeFmt();
writer.write(formatDate(date, configTimeFmt));
} else {
ssiMediator.log("#flastmod--Invalid attribute: "
+ paramName);
writer.write(configErrMsg);
}
} catch (IOException e) {
ssiMediator.log(
"#flastmod--Couldn't get last modified for file: "
+ substitutedValue, e);
writer.write(configErrMsg);
}
}
return lastModified;
}
protected String formatDate(Date date, String configTimeFmt) {
Strftime strftime = new Strftime(configTimeFmt, DateTool.LOCALE_US);
return strftime.format(date);
}
}