Package org.apache.commons.collections

Examples of org.apache.commons.collections.Buffer

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  public void doGet(HttpServletRequest request,
      HttpServletResponse response) throws
    ServletException, IOException {
    StringBuffer sb = new StringBuffer();

    Buffer nl = NotificationList.getInstance().getNotifications();
    Iterator<String> it = nl.iterator();
    while (it.hasNext()) {
      String notification = (String) it.next();   
      sb.append(notification);
    }
    nl.clear();
    PrintWriter out = response.getWriter();
    out.println(sb.toString());
  }
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    public Buffer makeTestBuffer() {
        return decorateBuffer(new ArrayStack(), testPredicate);
    }
   
    public void testGet() {
        Buffer buffer = makeTestBuffer();
        try {
            Object o = buffer.get();
            fail("Expecting BufferUnderflowException");
        } catch (BufferUnderflowException ex) {
            // expected
        }
        buffer.add("one");
        buffer.add("two");
        buffer.add("three");
        assertEquals("Buffer get", buffer.get(), "three");
    }
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        buffer.add("three");
        assertEquals("Buffer get", buffer.get(), "three");
    }
   
    public void testRemove() {
        Buffer buffer = makeTestBuffer();
        buffer.add("one");
        assertEquals("Buffer get", buffer.remove(), "one");
        try {
            buffer.remove();
            fail("Expecting BufferUnderflowException");
        } catch (BufferUnderflowException ex) {
            // expected
        }     
    }
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        String[] testCaseName = { TestTransformedBuffer.class.getName()};
        junit.textui.TestRunner.main(testCaseName);
    }

    public void testTransformedBuffer() {
        Buffer buffer = TransformedBuffer.decorate(new ArrayStack(), TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER);
        assertEquals(0, buffer.size());
        Object[] els = new Object[] {"1", "3", "5", "7", "2", "4", "6"};
        for (int i = 0; i < els.length; i++) {
            buffer.add(els[i]);
            assertEquals(i + 1, buffer.size());
            assertEquals(true, buffer.contains(new Integer((String) els[i])));
            assertEquals(false, buffer.contains(els[i]));
        }
       
        assertEquals(false, buffer.remove(els[0]));
        assertEquals(true, buffer.remove(new Integer((String) els[0])));
       
    }
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    /**
     * Tests {@link BlockingBuffer#get()} in combination with {@link BlockingBuffer#add(Object)}.
     */
    public void testGetWithAdd() {
        Buffer blockingBuffer = BlockingBuffer.decorate( new MyBuffer() );
        Object obj = new Object();
        new DelayedAdd( blockingBuffer, obj ).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.get() );
    }
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        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.get() );
    }

    public void testGetWithAddTimeout() {
        Buffer blockingBuffer = BlockingBuffer.decorate( new MyBuffer(), 500 );
        Object obj = new Object();
        new DelayedAdd( blockingBuffer, obj, 100 ).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.get() );
    }
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    /**
     * Tests {@link BlockingBuffer#get()} in combination with {@link BlockingBuffer#addAll(java.util.Collection)}.
     */
    public void testGetWithAddAll() {
        Buffer blockingBuffer = BlockingBuffer.decorate( new MyBuffer() );
        Object obj = new Object();
        new DelayedAddAll( blockingBuffer, obj ).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.get() );
    }
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        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.get() );
    }

    public void testGetWithAddAllTimeout() {
        Buffer blockingBuffer = BlockingBuffer.decorate( new MyBuffer(), 500 );
        Object obj = new Object();
        new DelayedAddAll( blockingBuffer, obj, 100 ).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.get() );
    }
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    /**
     * Tests {@link BlockingBuffer#remove()} in combination with {@link BlockingBuffer#add(Object)}.
     */
    public void testRemoveWithAdd() {
        Buffer blockingBuffer = BlockingBuffer.decorate( new MyBuffer() );
        Object obj = new Object();
        new DelayedAdd( blockingBuffer, obj ).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.remove() );
    }
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        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame( obj, blockingBuffer.remove() );
    }

    public void testRemoveWithAddTimeout() {
        Buffer blockingBuffer = BlockingBuffer.decorate( new MyBuffer(), 100 );
        Object obj = new Object();
        new DelayedAdd( blockingBuffer, obj, 500 ).start();
        try {
            blockingBuffer.remove();
        }
        catch( BufferUnderflowException e ) {
        }
    }
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  • org.apache.commons.collections.buffer.TestTransformedBuffer
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