FunctionEntry.java

package com.occamlab.te.index;

import java.util.ArrayList;
import java.util.List;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class FunctionEntry extends TemplateEntry {
    boolean java;
    boolean initialized;
    String className;
    String method;
    int minArgs;
    int maxArgs;
    List<Node> classParams = null;

    FunctionEntry() {
        super();
    }

    // public void persistAttributes(PrintWriter out) {
    // super.persistAttributes(out);
    // out.print(" type=\"" + (java ? "java" : "xsl") + "\"");
    // }
    //
    // public void persistTags(PrintWriter out) {
    // super.persistTags(out);
    // if (minArgs != maxArgs) {
    // int min = minArgs;
    // int max = maxArgs;
    // if (getParams() != null) {
    // min -= getParams().size();
    // max -= getParams().size();
    // }
    // if (usesContext()) {
    // min--;
    // max--;
    // }
    // out.println("<varags min=\"" + Integer.toString(min) + "\"" +
    // " max=\"" + Integer.toString(max) + "\"/>");
    // }
    // }
    //
    // public void persist(PrintWriter out) {
    // persist(out, "function");
    // }

    FunctionEntry(Element function) {
        super(function);
        // System.out.println(DomUtils.serializeNode(function));
        // try {
        String type = function.getAttribute("type");
        if (type.equals("xsl")) {
            setJava(false);
            // setTemplateFile(new File(new
            // URI(function.getAttribute("file"))));
        } else if (type.equals("java")) {
            // System.out.println(this.getId());
            setJava(true);
        } else {
            throw new RuntimeException("Invalid function type");
        }
        // NodeList nl = function.getElementsByTagName("param");
        // minArgs = nl.getLength();
        minArgs = 0;
        if (this.getParams() != null) {
            minArgs = this.getParams().size();
        }
        maxArgs = minArgs;
        // params = new ArrayList<QName>();
        // if (minArgs > 0) {
        // for (int i = 0; i < minArgs; i++) {
        // Element el = (Element)nl.item(i);
        // String prefix = el.getAttribute("prefix");
        // String namespaceUri = el.getAttribute("namespace-uri");
        // String localName = el.getAttribute("local-name");
        // params.add(new QName(namespaceUri, localName, prefix));
        // }
        // }
        NodeList nl = function.getElementsByTagName("var-params");
        if (nl.getLength() > 0) {
            Element varParams = (Element) nl.item(0);
            String min = varParams.getAttribute("min");
            if (min != null) {
                minArgs += Integer.parseInt(min);
            }
            String max = varParams.getAttribute("max");
            if (max != null) {
                maxArgs += Integer.parseInt(max);
            }
        }
        // setUsesContext(Boolean.parseBoolean(function.getAttribute("uses-context")));
        if (usesContext()) {
            minArgs++;
            maxArgs++;
        }
        Element e = (Element) function.getElementsByTagName("java").item(0);
        if (e != null) {
            setClassName(e.getAttribute("class"));
            setMethod(e.getAttribute("method"));
            setInitialized(Boolean.parseBoolean(e.getAttribute("initialized")));
            nl = e.getElementsByTagName("with-param");
            if (initialized && nl.getLength() > 0) {
                classParams = new ArrayList<Node>();
                for (int i = 0; i < nl.getLength(); i++) {
                    Element el = (Element) nl.item(i);
                    Node value = null;
                    NodeList children = el.getChildNodes();
                    for (int j = 0; j < children.getLength(); j++) {
                        Node n = children.item(j);
                        if (n.getNodeType() == Node.TEXT_NODE) {
                            value = n;
                        }
                        if (n.getNodeType() == Node.ELEMENT_NODE) {
                            value = n;
                            break;
                        }
                    }
                    classParams.add(value);
                }
            }
        }
        // } catch (URISyntaxException e) {
        // throw new RuntimeException(e);
        // }
    }

    public String getClassName() {
        return className;
    }

    public void setClassName(String className) {
        this.className = className;
    }

    public boolean isInitialized() {
        return initialized;
    }

    public void setInitialized(boolean initialized) {
        this.initialized = initialized;
    }

    public boolean isJava() {
        return java;
    }

    public void setJava(boolean java) {
        this.java = java;
    }

    public int getMaxArgs() {
        return maxArgs;
    }

    public void setMaxArgs(int maxArgs) {
        this.maxArgs = maxArgs;
    }

    public int getMinArgs() {
        return minArgs;
    }

    public void setMinArgs(int minArgs) {
        this.minArgs = minArgs;
    }

    public String getMethod() {
        return method;
    }

    public void setMethod(String method) {
        this.method = method;
    }

    public List<Node> getClassParams() {
        return classParams;
    }

    public void setClassParams(List<Node> classParams) {
        this.classParams = classParams;
    }
}