Example usage for org.dom4j Node valueOf

Introduction

In this page you can find the example usage for org.dom4j Node valueOf.

Prototype

String valueOf(String xpathExpression);

Source Link

Document

valueOf evaluates an XPath expression and returns the textual representation of the results the XPath string-value of this node.

Usage

From source file:nnga.NNGA.java

License:Open Source License

/**
 * Initializes population(s) from XML document
 * @param problemData information about problem
 * @param representationData information about representation
 * @param doc XML document which contains data about population 
 * @return <i>true</i> if population has been loaded successfully, <i>false</i> - otherwise
 *///w ww.j  a va2 s.com
private boolean loadFromDoc(ProblemXMLData problemData, ComponentXMLData representationData, Document doc) {
    // obtain problem requirements
    int inputnumber = problemData.getRequiredNumberOfInputs();
    int outputnumber = problemData.getRequiredNumberOfOutputs();

    // record the best fitness over the evolution
    Node dpopulations = doc.selectSingleNode("/frevo/populations");
    long randomseed = Long.parseLong(dpopulations.valueOf("./@randomseed"));
    getRandom().setSeed(randomseed);

    // load initial population(s)
    ArrayList<ArrayList<AbstractRepresentation>> loadedPops = loadFromXML(doc);
    for (int i = 0; i < parameters.getPopulationNumber(); i++) {
        try {
            pops.add(new SimplePopulation(representationData, parameters, inputnumber, outputnumber,
                    loadedPops.get(i)));
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }
    return true;
}

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From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

public String getPath(Node n) {

    List<String> path_nodes = new ArrayList<String>();
    while (n != null && !n.getName().equals("PARAMETERS")) {
        path_nodes.add(n.valueOf("@name"));
        n = n.getParent();//from www . ja v  a 2s.  c  o  m
    }

    Collections.reverse(path_nodes);

    String ret = "";
    int N = path_nodes.size();
    for (int i = 0; i < N; i++) {
        if (i == N - 1) {
            ret += path_nodes.get(i);
        } else {
            ret += path_nodes.get(i) + ".";
        }
    }
    return ret;
}

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From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

private void createPortFromNode(Node node, boolean multi) throws Exception {

    Element elem = (Element) node;

    String name = node.valueOf("@name");
    String descr = node.valueOf("@description");
    String tags = node.valueOf("@tags");

    if (name.equals("write_ini") || name.equals("write_par") || name.equals("par") || name.equals("help"))
        return;/*from   www .  j av a2  s .  c om*/

    Port port = new Port();

    port.setMultiFile(multi);

    if (tags.contains(this.INPUTFILE_TAG) || tags.contains(this.OUTPUTFILE_TAG)) {
        String[] file_extensions = null;

        if (elem.attributeValue("supported_formats") == null) {
            if (elem.attributeValue("restrictions") != null) {
                String formats = node.valueOf("@restrictions");
                file_extensions = formats.split(",");
                for (int i = 0; i < file_extensions.length; i++) {
                    file_extensions[i] = file_extensions[i].replace("*.", "");
                }
            } else
                throw new Exception("i/o item '" + elem.attributeValue("name")
                        + "' with missing attribute supported_formats detected");
        } else {
            String formats = node.valueOf("@supported_formats");
            file_extensions = formats.split(",");
            for (int i = 0; i < file_extensions.length; i++) {
                file_extensions[i] = file_extensions[i].trim();
            }
        }

        String path = this.getPath(node);
        port.setName(path);

        port.setDescription(descr);

        boolean optional = true;
        if (tags.contains("mandatory") || tags.contains("required")) {
            optional = false;
        } else {
            optional = true;
        }
        port.setOptional(optional);

        for (String mt : file_extensions) {
            port.addMimeType(new MIMEtype(mt.trim()));
        }

    }
    if (tags.contains(this.OUTPUTFILE_TAG)) {
        out_ports.add(port);
        this.captured_ports.add(port.getName());

        if (multi) {
            String path = this.getPath(node);
            FileListParameter param = new FileListParameter(name, new ArrayList<String>());
            param.setPort(port);
            param.setDescription(descr);
            param.setIsOptional(false);
            this.config.addParameter(path, param);
        }
    }
    if (tags.contains(this.INPUTFILE_TAG)) {
        in_ports.add(port);
        this.captured_ports.add(port.getName());
    }

}

---

From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

public void processItem(Node elem) throws Exception {
    String name = elem.valueOf("@name");

    String path = this.getPath(elem);

    if (this.captured_ports.contains(path))
        return;//  ww  w .j  a va  2s.c o  m

    if (name.equals("write_ini") || name.equals("write_par") || name.equals("par") || name.equals("help"))
        return;

    Parameter<?> param = this.getParameterFromNode(elem);
    this.config.addParameter(path, param);
}

---

From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

public void processMultiItem(Node elem) throws Exception {
    String name = elem.valueOf("@name");

    String path = this.getPath(elem);

    if (this.captured_ports.contains(path))
        return;//from  w w w.j  a  v  a2 s .  com

    if (name.equals("write_ini") || name.equals("write_par") || name.equals("par") || name.equals("help"))
        return;

    Parameter<?> param = this.getMultiParameterFromNode(elem);
    this.config.addParameter(path, param);
}

---

From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

private void readDescription() throws Exception {
    Node node = this.doc.selectSingleNode("/tool");
    if (node == null)
        throw new Exception("CTD has no root named tool");

    String lstatus = node.valueOf("@status");
    if (lstatus != null && lstatus.equals(""))
        throw new Exception("CTD has no status");

    this.config.setStatus(lstatus);

    node = this.doc.selectSingleNode("/tool/name");
    if (node == null)
        throw new Exception("CTD has no tool name");
    String name = node.valueOf("text()");
    if (name.equals(""))
        throw new Exception("CTD has no tool name");
    this.config.setName(name);

    node = this.doc.selectSingleNode("/tool/description");
    String sdescr = "";
    if (node != null) {
        sdescr = node.valueOf("text()");
    }// w w w  .j  ava  2s  .c  o  m
    this.config.setDescription(sdescr);

    node = this.doc.selectSingleNode("/tool/path");
    String spath = "";
    if (node != null) {
        spath = node.valueOf("text()");
    }

    this.config.setCommand(spath);

    node = this.doc.selectSingleNode("/tool/manual");
    String ldescr = "";
    if (node != null) {
        ldescr = node.valueOf("text()");
    }
    this.config.setManual(ldescr);

    node = this.doc.selectSingleNode("/tool/version");
    String lversion = "";
    if (node != null) {
        lversion = node.valueOf("text()");
    }
    this.config.setVersion(lversion);

    node = this.doc.selectSingleNode("/tool/docurl");
    String docurl = "";
    if (node != null) {
        docurl = node.valueOf("text()");
    }
    this.config.setDocUrl(docurl);

    node = this.doc.selectSingleNode("/tool/category");
    String cat = "";
    if (node != null) {
        cat = node.valueOf("text()");
    }
    this.config.setCategory(cat);
}

---

From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

private Parameter<?> getParameterFromNode(Node node) throws Exception {
    Parameter<?> ret = null;
    String type = node.valueOf("@type");
    String name = node.valueOf("@name");
    String value = node.valueOf("@value");
    String restrs = node.valueOf("@restrictions");
    String descr = node.valueOf("@description");
    String tags = node.valueOf("@tags");

    if (type.toLowerCase().equals("double") || type.toLowerCase().equals("float")) {
        ret = this.processDoubleParameter(name, value, restrs, tags);
    } else {/*from w ww  .j  a  v  a2  s . com*/
        if (type.toLowerCase().equals("int")) {
            ret = this.processIntParameter(name, value, restrs, tags);
        } else {
            if (type.toLowerCase().equals("string")) {
                ret = this.processStringParameter(name, value, restrs, tags);
            }
        }
    }

    ret.setDescription(descr);
    Set<String> tagset = tokenSet(tags);

    if (tagset.contains("mandatory") || tagset.contains("required")) {
        ret.setIsOptional(false);
    }

    if (tagset.contains("advanced")) {
        ret.setAdvanced(true);
    }

    return ret;
}

---

From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

private Parameter<?> getMultiParameterFromNode(Node node) throws Exception {
    String type = node.valueOf("@type");
    String name = node.valueOf("@name");
    String restrs = node.valueOf("@restrictions");
    String descr = node.valueOf("@description");
    String tags = node.valueOf("@tags");

    Set<String> tagset = tokenSet(tags);

    @SuppressWarnings("unchecked")
    List<Node> subnodes = node.selectNodes("LISTITEM");

    List<String> values = new ArrayList<String>();
    for (Node n : subnodes) {
        values.add(n.valueOf("@value"));
    }//www. j  a  v  a 2s  . com

    Parameter<?> param = null;

    if (type.toLowerCase().equals("double") || type.toLowerCase().equals("float")) {
        param = this.processDoubleListParameter(name, values, restrs, tags);
    } else {
        if (type.toLowerCase().equals("int")) {
            param = this.processIntListParameter(name, values, restrs, tags);
        } else {
            if (type.toLowerCase().equals("string")) {
                param = this.processStringListParameter(name, values, restrs, tags);
            }
        }
    }

    param.setDescription(descr);

    if (tagset.contains("mandatory") || tagset.contains("required")) {
        param.setIsOptional(false);
    }

    if (tagset.contains("advanced")) {
        param.setAdvanced(true);
    }

    return param;
}

---

From source file:org.ballproject.knime.base.config.CTDFileNodeConfigurationReader.java

License:Open Source License

private void readMapping() throws Exception {
    Node node = this.doc.selectSingleNode("/tool/mapping");
    if (node == null && this.config.getStatus().equals("external"))
        throw new Exception("CTD has no mapping tag and is an external tool");
    if (node == null)
        return;/*from   w w w  .  jav a  2s .  co m*/

    String mapping = node.valueOf("text()");
    if (mapping.equals(""))
        throw new Exception("CTD has an empty mapping tag");
    this.config.setMapping(mapping);
}

---

From source file:org.ballproject.knime.base.config.DOMHelper.java

License:Open Source License

public static String valueOf(Node n, String query) throws Exception {
    String val = n.valueOf(query);
    if (val == null)
        throw new Exception("XPath query yielded null result");
    return val;
}

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