src/main/java/org/wymiwyg/commons/util/dirbrowser/ZipPathNode.java
public Date getLastModified() {
		try {
			long time = file.getEntry(entryName).getTime();
			if (time > -1) {
				return new Date(time);
			} else {
				return null;
			}
		} catch (NullPointerException ex) {
			return null;
		}
	}
public Date getLastModified() {
		try {
			long time = file.getEntry(entryName).getTime();
			if (time > -1) {
				return new Date(time);
			} else {
				return null;
			}
		} catch (NullPointerException ex) {
			return null;
		}
	}
/*
(non-Javadoc)

@see org.wymiwyg.commons.util.dirbrowser.PathNode#getLastModified()