Example usage for org.jdom2 Element getChildren

List of usage examples for org.jdom2 Element getChildren

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Introduction

In this page you can find the example usage for org.jdom2 Element getChildren.

Prototype

public List<Element> getChildren()

Source Link

Document

This returns a List of all the child elements nested directly (one level deep) within this element, as Element objects.

Usage

From source file:ch.unifr.diuf.diva.did.commands.AbstractGradientManipulation.java

License:Open Source License

@Override
public float execute(Element task) throws IOException, JDOMException, InterruptedException {
    // Read the noise level
    float boost = 1;

    String imgName = script.preprocess(task.getAttributeValue("ref"));
    if (imgName == null) {
        throw new IllegalArgumentException("\n" + commandName + ": requires a ref");
    }/*from  w w w .  j  a v a 2  s .  c  o  m*/
    if (!script.getImages().containsKey(imgName)) {
        throw new IllegalArgumentException("\n" + commandName + ": cannot find image " + imgName);
    }
    Image image = script.getImages().get(imgName);

    // Read additional parameters
    int nbSteps = 500;
    float density = 1;
    final int SINGLE_CORE = 0;
    final int MULTI_CORES = 1;
    final int GPU = 2;
    int algoType = MULTI_CORES;
    int currentGPU = 0;
    for (Element child : task.getChildren()) {
        if (child.getName().equals("iterations")) {
            nbSteps = Integer.parseInt(script.preprocess(child.getText()));
            continue;
        }

        if (child.getName().equals("multi-core")) {
            algoType = MULTI_CORES;
            continue;
        }

        if (child.getName().equals("single-core")) {
            algoType = SINGLE_CORE;
            continue;
        }

        if (child.getName().equalsIgnoreCase("gpu")) {
            algoType = GPU;
            if (child.getText() != null && !child.getText().equals("")) {
                currentGPU = Integer.parseInt(child.getText());
            }
            continue;
        }
    }

    GradientMap[] grad = { new GradientMap(image, 0), new GradientMap(image, 1), new GradientMap(image, 2) };

    modifyGradient(task, grad, image);

    System.out.println("Starting reconstruction");
    for (int lvl = 0; lvl < 3; lvl++) {
        switch (algoType) {
        case SINGLE_CORE:
            grad[lvl].CPUReconstruct(nbSteps);
            break;
        case MULTI_CORES:
            grad[lvl].MultiCPUReconstruct(nbSteps);
            break;
        case GPU:
            grad[lvl].GPUReconstruct(currentGPU, nbSteps);
            break;
        }
    }
    for (int lvl = 0; lvl < 3; lvl++) {
        grad[lvl].pasteValues(image, lvl);
        grad[lvl] = null;
        System.gc();
        Thread.yield();
    }
    return 0;
}

From source file:ch.unifr.diuf.diva.did.commands.Calc.java

License:Open Source License

@Override
public float execute(Element task) throws IOException, JDOMException, InterruptedException {
    float val = getAttributeFloat(task, "start");

    for (Element child : task.getChildren()) {
        if (child.getName().equals("add")) {
            val += getFloat(child);
            continue;
        }//from  w  w  w . j av  a2s .  co  m

        if (child.getName().equals("sub")) {
            val -= getFloat(child);
            continue;
        }

        if (child.getName().equals("multiply-by")) {
            val *= getFloat(child);
            continue;
        }

        if (child.getName().equals("divide-by")) {
            val /= getFloat(child);
            continue;
        }

        if (child.getName().equals("sqrt")) {
            val = (float) Math.sqrt(val);
            continue;
        }

        if (child.getName().equals("log")) {
            float base = (float) Math.exp(1);
            if (child.getAttributeValue("base") != null) {
                base = Float.parseFloat(child.getAttributeValue("base"));
            }
            val = (float) (Math.log(val) / Math.log(base));
            continue;
        }

        if (child.getName().equals("exp")) {
            val = (float) Math.exp(val);
            continue;
        }

        if (child.getName().equals("pow")) {
            float pow = getFloat(child);
            val = (float) Math.pow(val, pow);
            continue;
        }
    }

    return val;
}

From source file:ch.unifr.diuf.diva.did.commands.ImageCreator.java

License:Open Source License

@Override
public float execute(Element task) throws IOException, JDOMException {
    String id = getAttribute(task, "id");
    if (id == null) {
        throw new IllegalArgumentException("\n" + commandName + ": requires an id");
    }/*from  w  ww.j av  a 2  s.c  o  m*/

    boolean alreadyInitialized = false;
    Image img = null;
    for (Element param : task.getChildren()) {
        if (param.getName().equals("load")) {
            if (alreadyInitialized) {
                throw new IllegalArgumentException("\n" + commandName + ": cannot be created twice");
            }
            String fname = param.getAttributeValue("file");
            img = loadImage(fname);
            alreadyInitialized = true;
            continue;
        }

        if (param.getName().equals("copy")) {
            if (alreadyInitialized) {
                throw new IllegalArgumentException("\n" + commandName + ", <image> cannot be created twice");
            }
            String otherName = param.getAttributeValue("ref");
            img = copyImage(otherName);
            alreadyInitialized = true;
            continue;
        }

        if (param.getName().equals("diff")) {
            if (alreadyInitialized) {
                throw new IllegalArgumentException("\n" + commandName + ", <image> cannot be created twice");
            }
            String a = getChildString(param, "a");
            String b = getChildString(param, "b");
            Image ia = script.getImages().get(a);
            Image ib = script.getImages().get(b);
            img = new Image(ia.getWidth(), ia.getHeight());
            for (int x = 0; x < ia.getWidth(); x++) {
                for (int y = 0; y < ia.getHeight(); y++) {
                    img.set(0, x, y, ia.get(0, x, y) - ib.get(0, x, y));
                    img.set(1, x, y, ia.get(1, x, y) - ib.get(1, x, y));
                    img.set(2, x, y, ia.get(2, x, y) - ib.get(2, x, y));
                }
            }
            alreadyInitialized = true;
            continue;
        }
    }
    script.getImages().put(id, img);
    return 0;
}

From source file:codigoFonte.Sistema.java

public boolean addUser(User u) throws IOException {

    boolean success = false, matriculaExists = false;
    File file = new File("Sistema.xml");
    Document newDocument = null;//w w  w .j  av  a 2s. c  o m
    Element root = null;
    Attribute matricula = null, nome = null, tipo = null, senha = null;
    Element user = null;

    if (u.getTipo().isEmpty() || u.getTipo().isEmpty() || u.getPassword().isEmpty()) {
        return success;
    }

    if (file.exists()) {
        SAXBuilder builder = new SAXBuilder();
        try {
            newDocument = builder.build(file);
        } catch (JDOMException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        }
        root = newDocument.getRootElement();
    } else {
        root = new Element("sistema");

        newDocument = new Document(root);
    }

    if (root.getChildren().size() > 0) {
        List<Element> listUsers = root.getChildren();
        for (Element a : listUsers) {
            if (a.getAttributeValue("matrcula").equals(u.getMatricula())) {
                matriculaExists = true;
            }
        }
    }

    if (!matriculaExists) {
        user = new Element("user");

        matricula = new Attribute("matrcula", this.newId());
        tipo = new Attribute("tipo", u.getTipo());
        nome = new Attribute("nome", u.getNome());
        senha = new Attribute("senha", u.getPassword());

        user.setAttribute(matricula);
        user.setAttribute(nome);
        user.setAttribute(tipo);
        user.setAttribute(senha);
        //user.setAttribute(divida);

        root.addContent(user);

        success = true;
    }
    //        

    XMLOutputter out = new XMLOutputter();

    try {
        FileWriter arquivo = new FileWriter(file);
        out.output(newDocument, arquivo);
    } catch (IOException ex) {
        Logger.getLogger(Sistema.class.getName()).log(Level.SEVERE, null, ex);
    }

    return success;
}

From source file:codigoFonte.Sistema.java

public boolean editarUser(User u) {
    File file = new File("Sistema.xml");
    Document newDocument = null;/*from   w  w  w  .j av a  2  s  . com*/
    Element root = null;
    boolean success = false;

    if (file.exists()) {
        SAXBuilder builder = new SAXBuilder();
        try {
            newDocument = builder.build(file);
        } catch (JDOMException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        }
        root = newDocument.getRootElement();
    }

    List<Element> listusers = root.getChildren();
    for (Element e : listusers) {
        if (e.getAttributeValue("matrcula").equals(u.getMatricula())) {
            e.getAttribute("nome").setValue(u.getNome());
            e.getAttribute("tipo").setValue(u.getTipo());
            e.getAttribute("senha").setValue(u.getPassword());

            success = true;

            XMLOutputter out = new XMLOutputter();

            try {
                FileWriter arquivo = new FileWriter(file);
                out.output(newDocument, arquivo);
            } catch (IOException ex) {
                Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
            }
            return success;
        }
    }
    return success;
}

From source file:codigoFonte.Sistema.java

public ArrayList<User> listarUser() {
    File file = new File("Sistema.xml");
    Document newDocument = null;/* w w  w .  ja  va  2s  .com*/
    Element root = null;
    ArrayList<User> users = new ArrayList<User>();
    ;
    ArrayList<Livro> livros = new ArrayList<Livro>();

    if (file.exists()) {
        SAXBuilder builder = new SAXBuilder();
        try {
            newDocument = builder.build(file);
        } catch (JDOMException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        }
        root = newDocument.getRootElement();
    } else {
        root = new Element("sistema");

        newDocument = new Document(root);
    }

    List<Element> listusers = root.getChildren();
    for (Element e : listusers) {
        User user = new User(null, null, null, null);
        List<Element> listlivro = e.getChildren("livro");
        List<Element> historico = e.getChildren("histrico");

        if (!listlivro.isEmpty())

            for (Element l : listlivro) {
                Livro livro = new Livro(null, null, null, 0);
                livro.setAutor(l.getAttributeValue("autor"));
                livro.setEditora(l.getAttributeValue("editora"));
                livro.setTitulo(l.getAttributeValue("ttulo"));
                livros.add(livro);
            }

        //List<Element> historico = e.getChildren("histrico");
        ArrayList<Livro> historicoObjeto = new ArrayList<Livro>();
        if (!historico.isEmpty()) {
            for (Element h : historico) {
                Livro livroHistorico = new Livro(null, null, null, 0);
                livroHistorico.setAutor(h.getAttributeValue("autor"));
                livroHistorico.setEditora(h.getAttributeValue("editora"));
                livroHistorico.setTitulo(h.getAttributeValue("ttulo"));
                historicoObjeto.add(livroHistorico);
            }
        }

        user.setMatricula(e.getAttributeValue("matrcula"));
        user.setNome(e.getAttributeValue("nome"));
        user.setTipo(e.getAttributeValue("tipo"));
        user.setLivros(livros);

        users.add(user);
    }
    return users;
}

From source file:codigoFonte.Sistema.java

public User pesquisarUser(String matricula) {
    File file = new File("Sistema.xml");
    Document newDocument = null;/*from w  w w  .j a va2s .  com*/
    Element root = null;
    User user = null;

    if (file.exists()) {
        SAXBuilder builder = new SAXBuilder();
        try {
            newDocument = builder.build(file);
        } catch (JDOMException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        }
        root = newDocument.getRootElement();
    } else {
        root = new Element("sistema");

        newDocument = new Document(root);
    }

    List<Element> listusers = root.getChildren();
    for (Element e : listusers) {
        if (e.getAttributeValue("matrcula").equals(matricula)) {
            List<Element> listlivros = e.getChildren("livro");
            user = new User(null, null, null, null);
            if (!listlivros.isEmpty()) {
                for (Element l : listlivros) {
                    Livro livro = new Livro(null, null, null, 0);
                    livro.setAutor(l.getAttributeValue("autor"));
                    livro.setEditora(l.getAttributeValue("editora"));
                    livro.setTitulo(l.getAttributeValue("ttulo"));
                    livro.setEntrega(l.getAttributeValue("dataEntrega"));
                    livro.setAluguel(l.getAttributeValue("dataAluguel"));
                    livro.setId(l.getAttributeValue("id"));
                    user.getLivros().add(livro);
                }
            }
            List<Element> historico = e.getChildren("historico");
            if (!historico.isEmpty()) {
                for (Element h : historico) {
                    Livro livroHistorico = new Livro(null, null, null, 0);
                    livroHistorico.setAutor(h.getAttributeValue("autor"));
                    livroHistorico.setEditora(h.getAttributeValue("editora"));
                    livroHistorico.setTitulo(h.getAttributeValue("ttulo"));
                    livroHistorico.setEntrega(h.getAttributeValue("dataEntrega"));
                    livroHistorico.setAluguel(h.getAttributeValue("dataAluguel"));
                    livroHistorico.setId(h.getAttributeValue("id"));
                    user.getHistorico().add(livroHistorico);
                }
            }
            user.setMatricula(matricula);
            user.setTipo(e.getAttributeValue("tipo"));
            user.setNome(e.getAttributeValue("nome"));
            user.setPassword(e.getAttributeValue("senha"));

            return user;
        }
    }
    return user;
}

From source file:codigoFonte.Sistema.java

public boolean autentica(User u) {
    File file = new File("Sistema.xml");
    Document newDocument = null;/*from  w ww.  j a va2  s  .  c  om*/
    Element root = null;
    boolean autenticado = false;

    if (file.exists()) {
        SAXBuilder builder = new SAXBuilder();
        try {
            newDocument = builder.build(file);
        } catch (JDOMException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(User.class.getName()).log(Level.SEVERE, null, ex);
        }
        root = newDocument.getRootElement();
    } else {
        root = new Element("sistema");

        newDocument = new Document(root);
    }

    User user = null;
    List<Element> listusers = root.getChildren();
    for (Element e : listusers) {
        if (e.getAttributeValue("matrcula").equals(u.getMatricula())
                && e.getAttributeValue("senha").equals(u.getPassword())) {
            autenticado = true;
            return autenticado;
        }
    }
    return autenticado;
}

From source file:com.abyala.decisiontree.SimpleDecisionTreeParser.java

License:Open Source License

private void parseResultAttributes(final ResultSpec.Builder builder, final Element element,
        final Class resultClass) throws DecisionTreeParserException {
    final Map<String, Method> annotatedResultMethods = parseAnnotatedMethods(resultClass);

    for (Element child : element.getChildren()) {
        final String attributeName = child.getAttributeValue("name");
        final Method method = annotatedResultMethods.get(attributeName);
        if (method == null)
            throw new DecisionTreeParserException("Result attribute \"" + attributeName
                    + "\" not defined on result class " + resultClass.getName());

        final ResultAttribute attribute = parseResultAttribute(child, method);
        builder.addAttribute(attribute);
    }//from w  ww  . ja  va 2 s.  com
}

From source file:com.abyala.decisiontree.SimpleDecisionTreeParser.java

License:Open Source License

private Node parseTable(final Element tableElement, final Map<String, InputType> types,
        final ResultSpec resultSpec) throws DecisionTreeParserException {
    if (tableElement == null) {
        throw new DecisionTreeParserException("Invalid XML: No element named \"tree\" found");
    }// www.j  a v a  2s. c  o m

    final Node rootNode = parseInputs("/", tableElement.getChildren(), types, resultSpec);
    rootNode.validate();
    return rootNode;
}