de.intarsys.tools.locator.SearchPathLocatorLookup Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of isrt Show documentation

The basic runtime tools and interfaces for intarsys components.

There is a newer version: 4.11

package de.intarsys.tools.locator;

import java.io.File;
import java.util.Enumeration;
import java.util.StringTokenizer;

public class SearchPathLocatorLookup extends DelegatingLocatorLookup {

	public static final String PATH_SEPARATOR = ";"; //$NON-NLS-1$

	protected void addSearchPath(File parent, String path) {
		File child = new File(path);
		ILocator locator;
		if (child.isAbsolute() || parent == null) {
			locator = new FileLocator(child);
			((FileLocator) locator).setSynchSynchronous(true);
		} else {
			FileLocator parentLocator = new FileLocator(parent);
			parentLocator.setSynchSynchronous(true);
			locator = parentLocator.getChild(path);
		}
		addLocatorFactory(new LocatorBasedLookup(locator));
	}

	public void setSearchPath(File parent, String paths) {
		clear();
		// set up search paths
		for (Enumeration e = new StringTokenizer(paths, PATH_SEPARATOR); e
				.hasMoreElements();) {
			String path = (String) e.nextElement();
			if ((path != null) && (path.trim().length() > 0)) {
				addSearchPath(parent, path);
			}
		}
	}
}