WebApplicationHelper.java from SmartFrog at Krugle
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/** (C) Copyright 2006 Hewlett-Packard Development Company, LP
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
For more information: www.smartfrog.org
*/
package org.smartfrog.services.www;
import org.smartfrog.sfcore.utils.ComponentHelper;
import org.smartfrog.sfcore.prim.Prim;
import java.rmi.RemoteException;
import java.net.InetAddress;
/**
* Things to help web applications.
* Factored out of JettyHelper.
* created 05-Apr-2006 15:13:52
*/
public class WebApplicationHelper extends ComponentHelper {
public WebApplicationHelper(Prim owner) {
super(owner);
}
/**
* Concatenate two paths together, inserting a '/' if needed, and ensuring
* that there is no '//' at the join.
*
* @param path1
* @param path2
* @return concatenated paths
*/
public static String concatPaths(String path1, String path2) {
StringBuffer buffer = new StringBuffer(path1.length() +
path2.length() +
1);
boolean endsWithSlash = path1.endsWith("/");
boolean beginsWithSlash = path2.startsWith("/");
buffer.append(path1);
if (!endsWithSlash) {
buffer.append('/');
}
if (beginsWithSlash) {
buffer.append(path2.substring(1));
} else {
buffer.append(path2);
}
return buffer.toString();
}
/**
* Get the ipaddrs of the local machine
*
* @return the IP address that we are deployed on
*/
public String getIpAddress() throws RemoteException {
InetAddress deployedHost = getOwner().sfDeployedHost();
String hostAddress = deployedHost.getHostAddress();
return hostAddress;
}
/**
* strip any trailing * from a path and give the base bit up to where that
* began.
*
* @param path
* @return the stripped path
*/
public static String deregexpPath(String path) {
String result;
int star = path.indexOf('*');
if (star < 0) {
return path;
}
if (star == 0) {
return "/";
}
result = path.substring(0, star - 1);
return result;
}
}
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