Package org.apache.commons.digester3

Examples of org.apache.commons.digester3.CallParamRule

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        expander.addSource( "$", mutableSource );
        digester.setSubstitutor( new VariableSubstitutor( expander ) );

        int useRootObj = -1;
        Class<?>[] callerArgTypes = new Class[] { String.class, String.class };
        CallMethodRule caller = new CallMethodRule( useRootObj, "addProperty", callerArgTypes.length, callerArgTypes );
        digester.addRule( "root/property", caller );
        digester.addCallParam( "root/property", 0, "name" );
        digester.addCallParam( "root/property", 1, "value" );

        digester.addObjectCreate( "root/bean", SimpleTestBean.class );
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     * {@inheritDoc}
     */
    @Override
    protected CallParamRule createRule()
    {
        CallParamRule rule;

        if ( fromStack )
        {
            rule = new CallParamRule( paramIndex, stackIndex );
        }
        else
        {
            rule = new CallParamRule( paramIndex );
        }

        rule.setAttributeName( attributeName );

        return rule;
    }
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     *
     * @return a Digester with rules and variable substitutor
     */
    private Digester createDigesterThatCanDoAnt()
    {
        Digester digester = new Digester();

        MultiVariableExpander expander = new MultiVariableExpander();
        expander.addSource( "$", mutableSource );
        digester.setSubstitutor( new VariableSubstitutor( expander ) );

        int useRootObj = -1;
        Class<?>[] callerArgTypes = new Class[] { String.class, String.class };
        CallMethodRule caller = new CallMethodRule( useRootObj, "addProperty", callerArgTypes.length, callerArgTypes );
        digester.addRule( "root/property", caller );
        digester.addCallParam( "root/property", 0, "name" );
        digester.addCallParam( "root/property", 1, "value" );

        digester.addObjectCreate( "root/bean", SimpleTestBean.class );
        digester.addSetProperties( "root/bean" );
        digester.addSetNext( "root/bean", "addSimpleTestBean" );
        return digester;
    }
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        throws SAXException, IOException
    {

        String xml = "<root alpha='${attr1}' beta='var{attr2}'/>";
        StringReader input = new StringReader( xml );
        Digester digester = new Digester();

        // Configure the digester as required
        digester.addObjectCreate( "root", SimpleTestBean.class );
        digester.addSetProperties( "root" );

        // Parse our test input.
        SimpleTestBean root = digester.parse( input );

        assertNotNull( "Digester returned no object", root );

        assertEquals( "${attr1}", root.getAlpha() );
        assertEquals( "var{attr2}", root.getBeta() );
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        throws SAXException, IOException
    {

        String xml = "<root alpha='${attr1}' beta='var{attr2}'/>";
        StringReader input = new StringReader( xml );
        Digester digester = new Digester();

        // Configure the digester as required
        MultiVariableExpander expander = new MultiVariableExpander();
        digester.setSubstitutor( new VariableSubstitutor( expander ) );
        digester.addObjectCreate( "root", SimpleTestBean.class );
        digester.addSetProperties( "root" );

        // Parse our test input.
        SimpleTestBean root = digester.parse( input );

        assertNotNull( "Digester returned no object", root );

        assertEquals( "${attr1}", root.getAlpha() );
        assertEquals( "var{attr2}", root.getBeta() );
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        String xml =
            "<root>" + "<bean alpha='${attr1}' beta='var{attr1}'/>" + "<bean alpha='${attr2}' beta='var{attr2}'/>"
                + "</root>";

        StringReader input = new StringReader( xml );
        Digester digester = new Digester();

        // Configure the digester as required
        HashMap<String, Object> source1 = new HashMap<String, Object>();
        source1.put( "attr1", "source1.attr1" );
        source1.put( "attr2", "source1.attr2" ); // should not be used

        HashMap<String, Object> source2 = new HashMap<String, Object>();
        source2.put( "attr1", "source2.attr1" ); // should not be used
        source2.put( "attr2", "source2.attr2" );

        MultiVariableExpander expander = new MultiVariableExpander();
        expander.addSource( "$", source1 );
        expander.addSource( "var", source2 );

        digester.setSubstitutor( new VariableSubstitutor( expander ) );
        digester.addObjectCreate( "root/bean", SimpleTestBean.class );
        digester.addSetProperties( "root/bean" );
        digester.addSetNext( "root/bean", "addSimpleTestBean" );

        // Parse our test input.
        this.simpleTestBeans.clear();
        digester.push( this );
        digester.parse( input );

        assertEquals( 2, this.simpleTestBeans.size() );

        {
            SimpleTestBean bean = this.simpleTestBeans.get( 0 );
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    {

        String xml = "<root>" + "Twas noun{1} and the noun{2}" + " did verb{1} and verb{2} in the noun{3}" + "</root>";

        StringReader input = new StringReader( xml );
        Digester digester = new Digester();

        // Configure the digester as required
        HashMap<String, Object> nouns = new HashMap<String, Object>();
        nouns.put( "1", "brillig" );
        nouns.put( "2", "slithy toves" );
        nouns.put( "3", "wabe" );

        HashMap<String, Object> verbs = new HashMap<String, Object>();
        verbs.put( "1", "gyre" );
        verbs.put( "2", "gimble" );

        MultiVariableExpander expander = new MultiVariableExpander();
        expander.addSource( "noun", nouns );
        expander.addSource( "verb", verbs );
        digester.setSubstitutor( new VariableSubstitutor( expander ) );

        digester.addObjectCreate( "root", SimpleTestBean.class );
        digester.addCallMethod( "root", "setAlpha", 0 );

        // Parse our test input.
        SimpleTestBean root = digester.parse( input );

        assertNotNull( "Digester returned no object", root );

        assertEquals( "Twas brillig and the slithy toves" + " did gyre and gimble in the wabe", root.getAlpha() );
    }
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        throws IOException
    {

        String xml = "<root alpha='${attr1}'/>";
        StringReader input = new StringReader( xml );
        Digester digester = new Digester();

        // Configure the digester as required
        MultiVariableExpander expander = new MultiVariableExpander();
        expander.addSource( "$", new HashMap<String, Object>() );
        digester.setSubstitutor( new VariableSubstitutor( expander ) );

        digester.addObjectCreate( "root", SimpleTestBean.class );
        digester.addSetProperties( "root" );

        // Parse our test input.
        try
        {
            digester.parse( input );
            fail( "Exception expected due to unknown variable." );
        }
        catch ( SAXException e )
        {
            // expected, due to reference to undefined variable
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    public void testExpansionWithMutableSource()
        throws SAXException, IOException
    {
        String xml = "<root>" + "<property name='attr' value='prop.value'/>" + "<bean alpha='${attr}'/>" + "</root>";
        StringReader input = new StringReader( xml );
        Digester digester = createDigesterThatCanDoAnt();

        simpleTestBeans.clear();
        digester.push( this );
        digester.parse( input );

        assertEquals( 1, simpleTestBeans.size() );
        SimpleTestBean bean = simpleTestBeans.get( 0 );
        assertEquals( "prop.value", bean.getAlpha() );
    }
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    {
        String xml =
            "<root>" + "<property name='attr1' value='prop.value1'/>"
                + "<property name='attr2' value='substituted-${attr1}'/>" + "<bean alpha='${attr2}'/>" + "</root>";
        StringReader input = new StringReader( xml );
        Digester digester = createDigesterThatCanDoAnt();

        simpleTestBeans.clear();
        digester.push( this );
        digester.parse( input );

        assertEquals( 1, simpleTestBeans.size() );
        SimpleTestBean bean = simpleTestBeans.get( 0 );
        assertEquals( "substituted-prop.value1", bean.getAlpha() );
    }
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