Examples of org.apache.commons.digester3.Digester.peek()

Class org.apache.commons.digester3.Digester

Examples of org.apache.commons.digester3.Digester.peek()

org.apache.commons.digester3.Digester.peek()
Return the top object on the stack without removing it. If there are no objects on the stack, return null. @param < T> the type used to auto-cast the returned object to the assigned variable type @return the top object on the stack without removing it.

        d.push( obj3 );
        d.push( obj4 );


        assertNotNull( d.peek( 0 ) );
        // for obj4, a copy should have been pushed
        assertNotSame( obj4, d.peek( 0 ) );
        assertEquals( obj4, d.peek( 0 ) );
        // for obj3, replacement only occurs on pop
        assertSame( obj3, d.peek( 1 ) );
        assertSame( obj2, d.peek( 2 ) );
        assertSame( obj1, d.peek( 3 ) );

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        d.push( obj4 );


        assertNotNull( d.peek( 0 ) );
        // for obj4, a copy should have been pushed
        assertNotSame( obj4, d.peek( 0 ) );
        assertEquals( obj4, d.peek( 0 ) );
        // for obj3, replacement only occurs on pop
        assertSame( obj3, d.peek( 1 ) );
        assertSame( obj2, d.peek( 2 ) );
        assertSame( obj1, d.peek( 3 ) );

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        assertNotNull( d.peek( 0 ) );
        // for obj4, a copy should have been pushed
        assertNotSame( obj4, d.peek( 0 ) );
        assertEquals( obj4, d.peek( 0 ) );
        // for obj3, replacement only occurs on pop
        assertSame( obj3, d.peek( 1 ) );
        assertSame( obj2, d.peek( 2 ) );
        assertSame( obj1, d.peek( 3 ) );


        Object obj4a = d.pop();
        Object obj3a = d.pop();

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        // for obj4, a copy should have been pushed
        assertNotSame( obj4, d.peek( 0 ) );
        assertEquals( obj4, d.peek( 0 ) );
        // for obj3, replacement only occurs on pop
        assertSame( obj3, d.peek( 1 ) );
        assertSame( obj2, d.peek( 2 ) );
        assertSame( obj1, d.peek( 3 ) );


        Object obj4a = d.pop();
        Object obj3a = d.pop();
        Object obj2a = d.pop();

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        assertNotSame( obj4, d.peek( 0 ) );
        assertEquals( obj4, d.peek( 0 ) );
        // for obj3, replacement only occurs on pop
        assertSame( obj3, d.peek( 1 ) );
        assertSame( obj2, d.peek( 2 ) );
        assertSame( obj1, d.peek( 3 ) );


        Object obj4a = d.pop();
        Object obj3a = d.pop();
        Object obj2a = d.pop();
        Object obj1a = d.pop();

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