/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.loader;import org.w3c.dom.Element;import java.io.PrintWriter;import java.util.*;/** * Desrives a function that can be applied to a workflow step. * * @author <a href="mailto:plightbo@hotmail.com">Pat Lightbody</a> */public class FunctionDescriptor extends AbstractDescriptor {    //~ Instance fields ////////////////////////////////////////////////////////    protected Map args = new HashMap();    /**     * The name field helps the editor identify the condition template used.     */    protected String name;    protected String type;    //~ Constructors ///////////////////////////////////////////////////////////    /**     * @deprecated use {@link DescriptorFactory} instead     */    FunctionDescriptor() {    }    /**     * @deprecated use {@link DescriptorFactory} instead     */    FunctionDescriptor(Element function) {        init(function);    }    //~ Methods ////////////////////////////////////////////////////////////////    public Map getArgs() {        return args;    }    public void setName(String name) {        this.name = name;    }    public String getName() {        return name;    }    public void setType(String type) {        this.type = type;    }    public String getType() {        return type;    }    public void writeXML(PrintWriter out, int indent) {        XMLUtil.printIndent(out, indent++);        out.println("<function " + (hasId() ? ("id=\"" + getId() + "\" ") : "") + (((name != null) && (name.length() > 0)) ? ("name=\"" + XMLUtil.encode(getName()) + "\" ") : "") + "type=\"" + type + "\">");        Iterator iter = args.entrySet().iterator();        while (iter.hasNext()) {            Map.Entry entry = (Map.Entry) iter.next();            XMLUtil.printIndent(out, indent);            out.print("<arg name=\"");            out.print(entry.getKey());            out.print("\">");            if ("beanshell".equals(type) || "bsf".equals(type)) {                out.print("<![CDATA[");                out.print(entry.getValue());                out.print("]]>");            } else {                out.print(XMLUtil.encode(entry.getValue()));            }            out.println("</arg>");        }        XMLUtil.printIndent(out, --indent);        out.println("</function>");    }    protected void init(Element function) {        type = function.getAttribute("type");        try {            setId(Integer.parseInt(function.getAttribute("id")));        } catch (NumberFormatException e) {        }        if (function.getAttribute("name") != null) {            name = function.getAttribute("name");        }        List args = XMLUtil.getChildElements(function, "arg");        for (int l = 0; l < args.size(); l++) {            Element arg = (Element) args.get(l);            String value = XMLUtil.getText(arg);            this.args.put(arg.getAttribute("name"), value);        }    }}