Example usage for org.dom4j Document getRootElement

Introduction

In this page you can find the example usage for org.dom4j Document getRootElement.

Prototype

Element getRootElement();

Source Link

Document

Returns the root Element for this document.

Usage

From source file:com.laudandjolynn.mytv.MyTvData.java

License:Apache License

public void writeData(String parent, String tag, String value) {
    logger.debug("write data to my tv data file: " + Constant.MY_TV_DATA_FILE_PATH);
    File file = new File(Constant.MY_TV_DATA_FILE_PATH);
    if (!file.exists()) {
        Document doc = DocumentHelper.createDocument();
        doc.addElement(Constant.APP_NAME);
        try {/*from  ww  w.j  av  a2s  .c om*/
            FileUtils.writeWithNIO(doc.asXML().getBytes(), Constant.MY_TV_DATA_FILE_PATH);
        } catch (IOException e) {
            throw new MyTvException(
                    "error occur while write data to file. -- " + Constant.MY_TV_DATA_FILE_PATH);
        }
    }
    SAXReader reader = new SAXReader();
    try {
        Document xmlDoc = reader.read(file);
        Element parentElement = xmlDoc.getRootElement();
        if (parent != null) {
            List<?> nodes = xmlDoc.selectNodes("//" + parent);
            if (nodes != null && nodes.size() > 0) {
                parentElement = (Element) nodes.get(0);
            }
        }
        parentElement.addElement(tag).setText(value);
        try {
            XMLWriter writer = new XMLWriter(new FileWriter(file));
            writer.write(xmlDoc);
            writer.close();
        } catch (IOException e) {
            throw new MyTvException(
                    "error occur while write data to file. -- " + Constant.MY_TV_DATA_FILE_PATH);
        }
    } catch (DocumentException e) {
        String msg = "can't parse xml file. -- " + Constant.MY_TV_DATA_FILE_PATH;
        throw new MyTvException(msg);
    }
}

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From source file:com.liferay.alloy.tools.builder.base.BaseBuilder.java

License:Open Source License

protected List<Component> getAllComponents() throws Exception {
    DocumentFactory factory = SAXReaderUtil.getDocumentFactory();

    Document doc = factory.createDocument();

    String taglibsXML = "<components></components>";

    Document taglibsDoc = SAXReaderUtil
            .read(new InputSource(new ByteArrayInputStream(taglibsXML.getBytes("utf-8"))));

    Element root = taglibsDoc.getRootElement();

    for (Document currentDoc : getComponentDefinitionDocs()) {
        currentDoc = _getExtendedDocument(currentDoc);

        Element currentRoot = currentDoc.getRootElement();

        String defaultPackage = currentRoot.attributeValue("short-name");
        List<Element> extComponentNodes = currentRoot.elements("component");

        for (Element extComponent : extComponentNodes) {
            String extComponentPackage = Convert.toString(extComponent.attributeValue("package"),
                    defaultPackage);// w w w.  ja  v a  2 s.  c o  m

            extComponent.addAttribute("package", extComponentPackage);
        }

        Element authors = currentRoot.element("author");

        List<Element> components = currentRoot.elements("component");

        for (Element component : components) {
            Element copy = component.createCopy();
            Element componentAuthors = copy.element("authors");

            if ((authors != null) && (componentAuthors == null)) {
                copy.add(authors.createCopy());
            }

            root.add(copy);
        }

        List<org.dom4j.Attribute> attributes = currentRoot.attributes();

        for (org.dom4j.Attribute attribute : attributes) {
            root.addAttribute(attribute.getName(), attribute.getValue());
        }
    }

    doc.add(root.createCopy());

    return getComponents(doc);
}

---

From source file:com.liferay.alloy.tools.builder.base.BaseBuilder.java

License:Open Source License

protected Element getComponentNode(Document doc, String name) {
    List<Element> components = doc.getRootElement().elements(_COMPONENT);

    for (Element component : components) {
        if (component.attributeValue("name").equals(name)) {
            return component;
        }//  w w  w .ja va2  s . c om
    }

    return null;
}

---

From source file:com.liferay.alloy.tools.builder.base.BaseBuilder.java

License:Open Source License

protected Document getComponentsDocByShortName(String name) {
    for (Document doc : getComponentDefinitionDocs()) {
        Element root = doc.getRootElement();

        if (root.attributeValue("short-name").equals(name)) {
            return doc;
        }/*from  www  .  java2  s  .c  o m*/
    }

    return null;
}

---

From source file:com.liferay.alloy.tools.builder.base.BaseBuilder.java

License:Open Source License

protected Document mergeXMLAttributes(Document doc1, Document doc2) {
    Element doc2Root = doc2.getRootElement();
    Element doc1Root = doc1.getRootElement();
    Element docRoot = doc2Root.createCopy();

    docRoot.clearContent();/*w  w  w . jav  a 2 s  . c  o  m*/

    if (doc1Root != null) {
        Iterator<Object> attributesIterator = doc1Root.attributeIterator();

        while (attributesIterator.hasNext()) {
            org.dom4j.Attribute attribute = (org.dom4j.Attribute) attributesIterator.next();

            if (attribute.getName().equals("extends")) {
                continue;
            }

            docRoot.addAttribute(attribute.getName(), attribute.getValue());
        }

        Element descriptionElement = doc1Root.element("description");

        if (descriptionElement != null) {
            docRoot.add(descriptionElement.createCopy());
        }
    }

    DocumentFactory factory = SAXReaderUtil.getDocumentFactory();

    Document doc = factory.createDocument();
    doc.setRootElement(docRoot);

    List<Element> doc2Components = doc2Root.elements(_COMPONENT);

    for (Element doc2Component : doc2Components) {
        Element component = doc2Component.createCopy();

        String name = doc2Component.attributeValue("name");

        Element doc1Component = getComponentNode(doc1, name);

        if (doc1Component != null) {
            Element doc1ComponentDescriptionElement = doc1Component.element("description");

            if (doc1ComponentDescriptionElement != null) {
                Element descriptionElement = component.element("description");

                if (descriptionElement != null) {
                    component.remove(descriptionElement);
                }

                component.add(doc1ComponentDescriptionElement.createCopy());
            }

            Iterator<Object> attributesIterator = doc1Component.attributeIterator();

            while (attributesIterator.hasNext()) {
                org.dom4j.Attribute attribute = (org.dom4j.Attribute) attributesIterator.next();

                component.addAttribute(attribute.getName(), attribute.getValue());
            }

            Element doc1AttributesNode = doc1Component.element(_ATTRIBUTES);

            Element attributesNode = component.element(_ATTRIBUTES);

            if ((doc1AttributesNode != null) && (attributesNode != null)) {
                List<Element> doc1Attributes = doc1AttributesNode.elements(_ATTRIBUTE);

                List<Element> attributes = attributesNode.elements(_ATTRIBUTE);

                for (Element doc1Attribute : doc1Attributes) {
                    Element attribute = getElementByName(attributes, doc1Attribute.elementText("name"));

                    if (attribute != null) {
                        attributesNode.remove(attribute);
                    }

                    attributesNode.add(doc1Attribute.createCopy());
                }
            }

            Element doc1EventsNode = doc1Component.element(_EVENTS);

            Element eventsNode = component.element(_EVENTS);

            if ((doc1EventsNode != null) && (eventsNode != null)) {
                List<Element> doc1Events = doc1EventsNode.elements(_EVENT);

                List<Element> events = eventsNode.elements(_EVENT);

                for (Element doc1Event : doc1Events) {
                    Element event = getElementByName(events, doc1Event.elementText("name"));

                    if (event != null) {
                        eventsNode.add(event);
                    }

                    eventsNode.add(doc1Event.createCopy());
                }
            }
        }

        doc.getRootElement().add(component);
    }

    if (doc1Root != null) {
        List<Element> doc1Components = doc1Root.elements(_COMPONENT);

        for (Element doc1Component : doc1Components) {
            Element component = doc1Component.createCopy();

            String name = doc1Component.attributeValue("name");

            Element doc2Component = getComponentNode(doc2, name);

            if (doc2Component == null) {
                doc.getRootElement().add(component);
            }
        }
    }

    return doc;
}

---

From source file:com.liferay.alloy.tools.builder.base.BaseBuilder.java

License:Open Source License

private Document _getExtendedDocument(Document document) {
    String parentXMLPath = document.getRootElement().attributeValue("extends");

    File parentXML = null;//  ww w  . j  a v a2 s.  co  m

    if (StringUtil.isNotBlank(parentXMLPath)) {
        parentXML = new File(parentXMLPath);

        if (!parentXML.exists()) {
            parentXMLPath = PropsUtil.getString(parentXMLPath);
            parentXML = new File(parentXMLPath);
        }

        if (parentXML.exists()) {
            try {
                Document parentDoc = SAXReaderUtil.read(parentXML);

                Element extensionElement = document.getRootElement().element("extension");

                document = mergeXMLAttributes(document, parentDoc);

                if (extensionElement != null) {
                    document.getRootElement().add(extensionElement.createCopy());
                }
            } catch (DocumentException e) {
                e.printStackTrace();
            }
        } else {
            System.out.println("Could not extend from: " + parentXMLPath + ". File does not exist.");
        }
    }

    return document;
}

---

From source file:com.liferay.alloy.tools.builder.faces.FacesBuilder.java

License:Open Source License

@Override
protected List<Component> getComponents(Document doc) throws Exception {
    Element root = doc.getRootElement();

    Map<String, Component> facesComponentsMap = new HashMap<>();

    String defaultYUIRendererParentClass = root.attributeValue("defaultYUIRendererParentClass");
    String defaultSince = root.attributeValue("defaultSince");
    List<Element> allComponentNodes = root.elements("component");

    for (Element node : allComponentNodes) {
        FacesComponent facesComponent = new FacesComponent();
        facesComponent.initialize(node, _COMPONENTS_PACKAGE, defaultYUIRendererParentClass, defaultSince);
        facesComponentsMap.put(facesComponent.getName(), facesComponent);
    }//from   w  w w .j a  v  a2 s  .c o  m

    List<Component> facesComponents = new ArrayList<>(facesComponentsMap.values());

    for (Component facesComponent : facesComponents) {
        recursivelyAddExtensionAttributesAndEvents(facesComponent, facesComponentsMap);
    }

    return facesComponents;
}

---

From source file:com.liferay.alloy.tools.builder.faces.FacesBuilder.java

License:Open Source License

private void _buildTaglibXMLFile(List<Component> components, Map<String, Object> context) throws Exception {

    context.put("components", components);
    context.put("version", PropsUtil.getString("builder.faces.version"));

    for (Document doc : getComponentDefinitionDocs()) {
        Element root = doc.getRootElement();

        Element descriptionElement = root.element("description");
        String description = null;

        if (descriptionElement != null) {
            description = descriptionElement.getTextTrim();
        }//from  ww w .j ava2 s .  c  om

        context.put("description", description);

        Element extensionElement = root.element("extension");

        if (extensionElement != null) {
            List<Element> extensionElements = extensionElement.elements();
            context.put("extensionElements", extensionElements);
        }

        String taglibXMLContent = processTemplate("taglib.xml.ftl", context);

        StringBuilder sb = new StringBuilder(4);
        sb.append(_TAGLIB_XML_OUTPUT_DIR);
        sb.append("/");
        sb.append(_NAMESPACE);
        sb.append(".taglib.xml");

        File taglibXMLFile = new File(sb.toString());
        writeFile(taglibXMLFile, taglibXMLContent, true);
    }
}

---

From source file:com.liferay.alloy.tools.builder.taglib.TagBuilder.java

License:Open Source License

@Override
protected List<Component> getComponents(Document doc) throws Exception {
    Element root = doc.getRootElement();

    List<Component> components = new ArrayList<Component>();

    String defaultPackage = root.attributeValue("short-name");
    List<Element> allComponentNodes = root.elements("component");

    for (Element node : allComponentNodes) {
        TagComponent tagComponent = new TagComponent();
        tagComponent.initialize(node, defaultPackage);
        components.add(tagComponent);/*  w  w  w. jav  a  2  s.c  o m*/
    }

    return components;
}

---

From source file:com.liferay.alloy.tools.builder.taglib.TagBuilder.java

License:Open Source License

protected Document mergeTlds(Document sourceDoc, Document targetDoc) {
    Element targetRoot = targetDoc.getRootElement();

    DocumentFactory factory = SAXReaderUtil.getDocumentFactory();

    XPath xpathTags = factory.createXPath("//tld:tag");

    Map<String, String> namespaceContextMap = new HashMap<String, String>();

    namespaceContextMap.put(_TLD_XPATH_PREFIX, _TLD_XPATH_URI);

    NamespaceContext namespaceContext = new AlloyGeneratorNamespaceContext(namespaceContextMap);

    xpathTags.setNamespaceContext(namespaceContext);

    List<Node> sources = xpathTags.selectNodes(sourceDoc);

    for (Node source : sources) {
        Element sourceElement = (Element) source;

        String sourceName = sourceElement.elementText("name");

        String xpathTagValue = "//tld:tag[tld:name='" + sourceName + "']";

        XPath xpathTag = factory.createXPath(xpathTagValue);

        xpathTag.setNamespaceContext(namespaceContext);

        List<Node> targets = xpathTag.selectNodes(targetDoc);

        if (targets.size() > 0) {
            Element targetElement = (Element) targets.get(0);

            XPath xpathAttributes = factory.createXPath(xpathTagValue + "//tld:attribute");

            Map<String, String> namespaces = new HashMap<String, String>();

            namespaces.put("tld", StringPool.EMPTY);

            xpathAttributes.setNamespaceURIs(namespaces);

            List<Node> sourceAttributes = xpathAttributes.selectNodes(source);

            for (Node sourceAttribute : sourceAttributes) {
                Element sourceAttributeElement = (Element) sourceAttribute;

                String attributeName = sourceAttributeElement.elementText("name");

                String xpathAttributeValue = "//tld:attribute[tld:name='" + attributeName + "']";

                XPath xpathAttribute = factory.createXPath(xpathTagValue + xpathAttributeValue);

                xpathAttribute.setNamespaceContext(namespaceContext);

                Node targetAttribute = xpathAttribute.selectSingleNode(targetElement);

                if (targetAttribute != null) {
                    targetAttribute.detach();
                }//from  w w  w  .  jav a2 s  .  c  om

                targetElement.add(sourceAttributeElement.createCopy());
            }

            Element dynamicAttrElement = targetElement.element("dynamic-attributes");

            if (dynamicAttrElement != null) {
                targetElement.add(dynamicAttrElement.detach());
            }
        } else {
            targetRoot.add(sourceElement.createCopy());
        }
    }

    return targetDoc;
}

---

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