java.fedora.client.demo.DemoObjectConverter Maven / Gradle / Ivy
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/*
* -----------------------------------------------------------------------------
*
* License and Copyright: The contents of this file are subject to 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.fedora-commons.org/licenses.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The entire file consists of original code.
* Copyright © 2008 Fedora Commons, Inc.
*
Copyright © 2002-2007 The Rector and Visitors of the University of
* Virginia and Cornell University
* All rights reserved.
*
* -----------------------------------------------------------------------------
*/
package fedora.client.demo;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
/**
*
* Title: DemoObjectConverter.java
* Description: Goes through the Fedora demo objects directory
* and changes all occurrences of strings for protocol, hostname and port number to
* values supplied by the user in the calling arguments. This utility is
* used to convert the original Fedora demo objects so that they will
* function correctly when the Fedora server is configured to run on a
* protocol, host, or port other than the defaults.
*
*
* @author [email protected]
* @version $Id: DemoObjectConverter.java 4290 2005-08-04 19:17:20Z rlw $
*/
public class DemoObjectConverter
{
private static String fedoraHome = "";
private static String fromProtocol = null;
private static String fromHostName = null;
private static String fromPortNum = null;
private static String toProtocol = null;
private static String toHostName = null;
private static String toPortNum = null;
private static String fromName = null;
private static String toName = null;
/**
* Constructor for DemoObjectConverter. Initializes class variables for
* hostname, port number and fedoraHome.
*
* @param fromProtocol The protocol for the URL to be changed from.
* @param fromHostName The host name to be changed from.
* @param fromPortNum The port number to be changed from.
* @param toProtocol The protocol for the URL to be changed to.
* @param toHostName The host name to be changed to.
* @param toPortNum The port number ot be changed to.
* @param fedoraHome The installation directory for Fedora.
*/
public DemoObjectConverter(String fromProtocol, String fromHostName, String fromPortNum,
String toProtocol, String toHostName, String toPortNum, String fedoraHome)
{
DemoObjectConverter.toProtocol = toProtocol;
DemoObjectConverter.toHostName = toHostName;
DemoObjectConverter.toPortNum = toPortNum;
DemoObjectConverter.fromProtocol = fromProtocol;
DemoObjectConverter.fromHostName = fromHostName;
DemoObjectConverter.fromPortNum = fromPortNum;
DemoObjectConverter.fedoraHome = fedoraHome;
DemoObjectConverter.fromName = fromHostName+":"+fromPortNum;
DemoObjectConverter.toName = toHostName+":"+toPortNum;
}
/**
* Converts all Fedora demo objects by substituting hostname and port
* numer supplied in calling arguments.
*
* @param fedoraHome The location Fedora is installed.
*/
public static void convert(String fedoraHome)
{
// Define the Fedora demo directory.
File demoDir=new File(fedoraHome, "client/demo");
if(demoDir.exists())
{
getFiles(demoDir);
} else
{
System.out.println("ERROR: Unable to locate Demo Object Directory: "
+ demoDir.toString());
}
}
/**
* Recursively traverse the specified directory and process each file.<.p>
*
* @param dir The directory to be traversed.
*/
public static void getFiles(File dir)
{
File[] files = dir.listFiles();
for (int i=0; i Substitute the protocol, hostname and port number supplied in calling arguments
* with those found in Fedora demo objects. Replaces
* the original file with the edited version.
*
* @param demoObject The Fedora demo object file to be edited.
*/
public static void substitute(File demoObject)
{
try
{
BufferedReader in=new BufferedReader(new FileReader(demoObject));
String tempFile = demoObject.toString()+"-temp";
OutputStream os = new FileOutputStream(new File(tempFile));
OutputStreamWriter out = new OutputStreamWriter(os, "UTF-8");
String nextLine="";
String newUrlStart;
if (toProtocol.equalsIgnoreCase("http") && ((toPortNum.equals("")) || (toPortNum.equals("80"))))
{
newUrlStart= "http://" + toHostName + "/";
} else if (toProtocol.equalsIgnoreCase("https") && ((toPortNum.equals("")) || (toPortNum.equals("443"))))
{
newUrlStart= "https://" + toHostName + "/";
} else
{
newUrlStart= toProtocol + "://" + toHostName + ":" + toPortNum + "/";
}
String a= fromProtocol + "://" + fromHostName;
String fromURLStartNoPort=a + "/";
String fromURLStartPort80=a + ":80" + "/";
String fromURLStartPort443=a + ":443" + "/";
String fromURLStartWithPort=a + ":" + fromPortNum + "/";
if (fromProtocol.equalsIgnoreCase("http") && (fromPortNum.equals("") || fromPortNum.equals("80")))
{
System.out.println("searching for " + fromURLStartNoPort);
System.out.println("searching for " + fromURLStartPort80);
System.out.println("replacing with " + newUrlStart);
} else if (fromProtocol.equalsIgnoreCase("https") && (fromPortNum.equals("") || fromPortNum.equals("443")))
{
System.out.println("searching for " + fromURLStartNoPort);
System.out.println("searching for " + fromURLStartPort443);
System.out.println("replacing with " + newUrlStart);
} else
{
System.out.println("searching for " + fromURLStartWithPort);
System.out.println("replacing with " + newUrlStart);
}
while (nextLine!=null)
{
nextLine=in.readLine();
if (nextLine!=null)
{
if (fromProtocol.equalsIgnoreCase("http") && (fromPortNum.equals("") || fromPortNum.equals("80")))
{
nextLine = nextLine.replaceAll(fromURLStartNoPort, newUrlStart);
nextLine = nextLine.replaceAll(fromURLStartPort80, newUrlStart);
} else if (fromProtocol.equalsIgnoreCase("https") && (fromPortNum.equals("") || fromPortNum.equals("443")))
{
nextLine = nextLine.replaceAll(fromURLStartNoPort, newUrlStart);
nextLine = nextLine.replaceAll(fromURLStartPort443, newUrlStart);
} else
{
nextLine = nextLine.replaceAll(fromURLStartWithPort, newUrlStart);
}
out.write(nextLine+"\n");
}
}
in.close();
out.close();
// Remove original file.
if(demoObject.delete())
{
File file = new File(tempFile);
// Rename temp file with original file name.
if(!file.renameTo(demoObject))
{
System.out.println("ERROR: unable to rename file: "+demoObject);
} else
{
System.out.println("Replaced File: "+demoObject);
}
} else
{
System.out.println("ERROR: Unable to delete file: "+demoObject);
}
} catch (IOException ioe)
{
System.out.println("IO ERROR: "+ioe.getMessage());
}
}
/**
* Shows argument list for application.
*
* @param errMessage The message to be included with usage information.
*/
public static void showUsage(String errMessage) {
System.out.println("Error: " + errMessage);
System.out.println("");
System.out.println("Usage: DemoObjectConverter fromProtocol fromHostName fromPortNum "
+ "toProtocol toHostName toPortNum fedoraHome");
}
public static void main(String[] args)
{
try
{
if (args.length!=7)
{
DemoObjectConverter.showUsage("You must provide seven arguments.");
} else
{
String fromProtocol=args[0];
String fromHostName=args[1];
String fromPortNum=args[2];
String toProtocol=args[3];
String toHostName=args[4];
String toPortNum=args[5];
String fedoraHome=args[6];
DemoObjectConverter doc=new DemoObjectConverter(fromProtocol, fromHostName, fromPortNum, toProtocol, toHostName, toPortNum, fedoraHome);
DemoObjectConverter.convert(fedoraHome);
}
} catch (Exception e)
{
DemoObjectConverter.showUsage(e.getClass().getName() + " - "
+ (e.getMessage()==null ? "(no detail provided)" : e.getMessage()));
}
}
}