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LoopPrinter.javaAPI DocExample1607Thu Mar 11 19:50:50 GMT 2004javathreads.examples.ch15

LoopPrinter

public class LoopPrinter extends Object

Fields Summary
private Vector[]
pStorage
private int
growSize
Constructors Summary
public LoopPrinter(int initSize, int growSize)

        pStorage = new Vector[initSize];
        this.growSize = growSize;
public LoopPrinter()

        this(100, 0);
Methods Summary
private synchronized voidenlargeStorage(int minSize)

        int oldSize = pStorage.length;
        if (oldSize < minSize) {
            int newSize = (growSize > 0) ?
                oldSize + growSize : 2 * oldSize;
            if (newSize < minSize) {
                newSize = minSize;
            }    
            Vector newVec[] = new Vector[newSize];
            System.arraycopy(pStorage, 0, newVec, 0, oldSize);
            pStorage = newVec;
        }
public synchronized voidprint(int index, java.lang.Object obj)

        if (index >= pStorage.length) {
            enlargeStorage(index+1);
        }
        if (pStorage[index] == null) {
            pStorage[index] = new Vector();
        }
        pStorage[index].addElement(obj.toString());
public synchronized voidprintln(int index, java.lang.Object obj)

        print(index, obj);
        print(index, "\n");
public synchronized voidsend2stream(java.io.PrintStream ps)

        for (int i = 0; i < pStorage.length; i++) {
            if (pStorage[i] != null) {
                Enumeration e = pStorage[i].elements();
                while (e.hasMoreElements()) {
                    ps.print(e.nextElement());
                }
            }    
        }