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 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 Collection makeCollection() {
        return UnmodifiableBuffer.decorate(new UnboundedFifoBuffer());
    }
   
    public Collection makeFullCollection() {
        Buffer buffer = new UnboundedFifoBuffer();
        buffer.addAll(Arrays.asList(getFullElements()));
        return UnmodifiableBuffer.decorate(buffer);
    }
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        return false;
    }
   
    public void testBufferRemove() {
        resetEmpty();
        Buffer buffer = (Buffer) collection;
        try {
            buffer.remove();
            fail();
        } catch (UnsupportedOperationException ex) {}
    }
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    public void testCircularFifoBufferCircular() {
        List list = new ArrayList();
        list.add("A");
        list.add("B");
        list.add("C");
        Buffer buf = new CircularFifoBuffer(list);
       
        assertEquals(true, buf.contains("A"));
        assertEquals(true, buf.contains("B"));
        assertEquals(true, buf.contains("C"));
       
        buf.add("D");
       
        assertEquals(false, buf.contains("A"));
        assertEquals(true, buf.contains("B"));
        assertEquals(true, buf.contains("C"));
        assertEquals(true, buf.contains("D"));
       
        assertEquals("B", buf.get());
        assertEquals("B", buf.remove());
        assertEquals("C", buf.remove());
        assertEquals("D", buf.remove());
    }
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    }

    //----------------------------------------------------------------------- 
    public void testBufferEmpty() {
        resetEmpty();
        Buffer buffer = (Buffer) collection;

        assertEquals(0, buffer.size());
        assertEquals(true, buffer.isEmpty());
        try {
            buffer.get();
            fail();
        } catch (BufferUnderflowException ex) {}

        try {
            buffer.remove();
            fail();
        } catch (BufferUnderflowException ex) {}
    }
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    public Collection makeCollection() {
        return SynchronizedBuffer.decorate(new UnboundedFifoBuffer());
    }
   
    public Collection makeFullCollection() {
        Buffer buffer = new UnboundedFifoBuffer();
        buffer.addAll(Arrays.asList(getFullElements()));
        return SynchronizedBuffer.decorate(buffer);
    }
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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()}.
     */
    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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Related Classes of org.apache.commons.collections.Buffer

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  • org.ajax4jsf.component.AjaxViewRoot
  • org.apache.commons.collections.buffer.TestBlockingBuffer
  • org.apache.commons.collections.buffer.TestBoundedBuffer
  • org.apache.commons.collections.buffer.TestCircularFifoBuffer
  • org.apache.commons.collections.buffer.TestPredicatedBuffer
  • org.apache.commons.collections.buffer.TestPriorityBuffer
  • org.apache.commons.collections.buffer.TestSynchronizedBuffer
  • org.apache.commons.collections.buffer.TestTransformedBuffer
  • org.apache.commons.collections.buffer.TestUnmodifiableBuffer
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