Examples of nu.xom.ProcessingInstruction

nu.xom.ProcessingInstruction
This class represents an XML processing instruction. Each processing instruction has two key properties:
- The target, a non-colonized name
- The data, a string which does not contain the two character sequence ?>. The syntax of the data depends completely on the processing instruction. Other than forbidding ?>, XML defines no rules for processing instruction data.
@author Elliotte Rusty Harold @version 1.0

    public void testToDocumentWithAttribute() {
     
        Nodes input = new Nodes();
        Element root = new Element("root");
        Comment comment = new Comment("data");
        ProcessingInstruction pi = new ProcessingInstruction("target", "data");
        input.append(comment);
        input.append(root);
        input.append(pi);
        input.append(new Attribute("name", "text"));
        try {

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        Nodes input = new Nodes();
        Element root = new Element("root");
        DocType doctype = new DocType("root");
        Comment comment = new Comment("data");
        ProcessingInstruction pi = new ProcessingInstruction("target", "data");
        input.append(comment);
        input.append(doctype);
        input.append(root);
        input.append(pi);
        Document output = XSLTransform.toDocument(input);

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        Nodes input = new Nodes();
        Element root = new Element("root");
        DocType doctype = new DocType("root");
        Comment comment = new Comment("data");
        ProcessingInstruction pi = new ProcessingInstruction("target", "data");
        input.append(comment);
        input.append(root);
        input.append(doctype);
        input.append(pi);
        try {

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    public void testToDocumentWithPrologAndEpilog() {
     
        Nodes input = new Nodes();
        Element root = new Element("root");
        Comment comment = new Comment("data");
        ProcessingInstruction pi = new ProcessingInstruction("target", "data");
        input.append(comment);
        input.append(root);
        input.append(pi);
        Document output = XSLTransform.toDocument(input);
        assertEquals(root, output.getRootElement());

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            boolean index = true;
            for (int i = 0; i < doc.getChildCount(); i++) {
                Node child = doc.getChild(i); 
                if (child instanceof Element) break;  
                if (child instanceof ProcessingInstruction){
                    ProcessingInstruction instruction 
                      = (ProcessingInstruction) child;
                    if (instruction.getTarget().equals("robots")) {
                        Element data 
                          = PseudoAttributes.getAttributes(instruction); 
                        Attribute indexAtt = data.getAttribute("index"); 
                        if (indexAtt != null) {
                            String value = indexAtt.getValue().trim();

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        assertEquals(3, doc.getChildCount());
        assertTrue(doc.getChild(0) instanceof Comment);
        assertTrue(doc.getChild(1) instanceof Element);
        assertTrue(doc.getChild(2) instanceof Comment);


        doc.insertChild(new ProcessingInstruction("target", "data"),1);
        assertTrue(doc.getChild(0) instanceof Comment);
        assertTrue(doc.getChild(1) instanceof ProcessingInstruction);
        assertTrue(doc.getChild(2) instanceof Element);
        assertTrue(doc.getChild(3) instanceof Comment);


        doc.insertChild(new ProcessingInstruction("epilog", "data"),3);
        assertTrue(doc.getChild(0) instanceof Comment);
        assertTrue(doc.getChild(1) instanceof ProcessingInstruction);
        assertTrue(doc.getChild(2) instanceof Element);
        assertTrue(doc.getChild(3) instanceof ProcessingInstruction);
        assertTrue(doc.getChild(4) instanceof Comment);

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    public void testCopyConstructor() {
        
        doc.insertChild(new Comment("text"), 0);
        doc.insertChild(new ProcessingInstruction("text", "data"), 1);
        doc.insertChild(new DocType("text"), 2);
        root.appendChild("some data");
        doc.appendChild(new Comment("after"));
        doc.appendChild(new ProcessingInstruction("text", "after"));
        
        Document doc2 = new Document(doc);
        assertEquals(doc, doc2);
        
    }

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    public void testCopy() {
        
        doc.insertChild(new Comment("text"), 0);
        doc.insertChild(new ProcessingInstruction("text", "data"), 1);
        doc.insertChild(new DocType("text"), 2);
        root.appendChild("some data");
        doc.appendChild(new Comment("after"));
        doc.appendChild(new ProcessingInstruction("text", "after"));
        
        Document doc2 = (Document) doc.copy();
        assertEquals(doc, doc2);
        
    }

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    public void testCanonicalizePrologAndEpilog() throws IOException {
        
        Element pdu = new Element("doc");
        
        Document doc = new Document(pdu);
        doc.insertChild(new ProcessingInstruction("target", "value"), 0);
        doc.insertChild(new Comment("comment 2"), 1);
        doc.appendChild(new Comment("comment 3"));
        doc.appendChild(new ProcessingInstruction("target", "value"));
        
        String expected = "<?target value?>\n<!--comment 2-->\n<doc></doc>\n<!--comment 3-->\n<?target value?>";
        
        canonicalizer.write(doc);

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    }


    
    public void testCanonicalizeProcessingInstruction() throws IOException {
     
        ProcessingInstruction pi = new ProcessingInstruction("target", "value \n value");
        try {
            Canonicalizer serializer = new Canonicalizer(out);
            serializer.write(pi);
        }
        finally {

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