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package net.brutex.xservices.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
/**
* A struct containing the various bits of information in a CVS root string,
* allowing easy retrieval of individual items of information
*/
public class CVSRoot {
public String connectionType;
public String user;
public String host;
public String repository;
public CVSRoot(String root) throws IllegalArgumentException {
if (!root.startsWith(":"))
throw new IllegalArgumentException();
int oldColonPosition = 0;
int colonPosition = root.indexOf(':', 1);
if (colonPosition == -1)
throw new IllegalArgumentException();
connectionType = root.substring(oldColonPosition + 1, colonPosition);
oldColonPosition = colonPosition;
colonPosition = root.indexOf('@', colonPosition + 1);
if (colonPosition == -1)
throw new IllegalArgumentException();
user = root.substring(oldColonPosition + 1, colonPosition);
oldColonPosition = colonPosition;
colonPosition = root.indexOf(':', colonPosition + 1);
if (colonPosition == -1)
throw new IllegalArgumentException();
host = root.substring(oldColonPosition + 1, colonPosition);
repository = root.substring(colonPosition + 1);
if (connectionType == null || user == null || host == null
|| repository == null)
throw new IllegalArgumentException();
}
public String getCVSRoot(File directory) {
String root = null;
BufferedReader r = null;
try {
File rootFile = new File(directory, "CVS/Root");
if (rootFile.exists()) {
r = new BufferedReader(new FileReader(rootFile));
root = r.readLine();
}
} catch (IOException e) {
// ignore
} finally {
try {
if (r != null)
r.close();
} catch (IOException e) {
System.err.println("Warning: could not close CVS/Root file!");
}
}
if (root == null) {
root = System.getProperty("cvs.root");
}
return root;
}
}
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