Example usage for org.apache.commons.collections ArrayStack isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections ArrayStack isEmpty.

Prototype

public boolean isEmpty() 

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:org.apache.cocoon.el.impl.objectmodel.ObjectModelImpl.java

public void cleanupLocalContext() {
    if (localContexts.empty()) {
        throw new IllegalStateException("Local contexts stack is empty");
    }//from w ww. java2s . c  o  m

    ArrayStack removeEntries = (ArrayStack) localContexts.pop();
    while (!removeEntries.isEmpty()) {
        if (removeEntries.peek() instanceof PathValue) {
            PathValue entry = (PathValue) removeEntries.pop();
            removeAt(entry.getPath(), entry.getValue());
        } else {
            KeyValue entry = (KeyValue) removeEntries.pop();
            Object key = entry.getKey();
            Object value = entry.getValue();

            multiValueMap.remove(key, value);
            if (multiValueMap.containsKey(key)) {
                singleValueMap.put(key, ((StackReversedIteration) multiValueMap.get(key)).peek());
            } else {
                singleValueMap.remove(key);
            }
        }
    }
}

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From source file:org.apache.jmeter.services.FileServer.java

/**
 * Calculates the relative path from {@link #DEFAULT_BASE} to the current base,
 * which must be the same as or a child of the default.
 * /*from   ww w .j a va  2 s .c om*/
 * @return the relative path, or {@code "."} if the path cannot be determined
 */
public synchronized File getBaseDirRelative() {
    // Must first convert to absolute path names to ensure parents are available
    File parent = new File(DEFAULT_BASE).getAbsoluteFile();
    File f = base.getAbsoluteFile();
    ArrayStack l = new ArrayStack();
    while (f != null) {
        if (f.equals(parent)) {
            if (l.isEmpty()) {
                break;
            }
            File rel = new File((String) l.pop());
            while (!l.isEmpty()) {
                rel = new File(rel, (String) l.pop());
            }
            return rel;
        }
        l.push(f.getName());
        f = f.getParentFile();
    }
    return new File(".");
}

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