001: /* ====================================================================
002: * The LateralNZ Software License, Version 1.0
003: *
004: * Copyright (c) 2003 LateralNZ. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by
021: * LateralNZ (http://www.lateralnz.org/) and other third parties."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. The names "LateralNZ" must not be used to endorse or promote
026: * products derived from this software without prior written
027: * permission. For written permission, please
028: * contact oss@lateralnz.org.
029: *
030: * 5. Products derived from this software may not be called "Panther",
031: * or "Lateral" or "LateralNZ", nor may "PANTHER" or "LATERAL" or
032: * "LATERALNZ" appear in their name, without prior written
033: * permission of LateralNZ.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: *
049: * This software consists of voluntary contributions made by many
050: * individuals on behalf of LateralNZ. For more
051: * information on Lateral, please see http://www.lateralnz.com/ or
052: * http://www.lateralnz.org
053: *
054: */
055: package org.lateralnz.common.cli;
056:
057: import java.io.BufferedReader;
058: import java.io.OutputStream;
059: import java.util.Iterator;
060: import java.util.Map;
061: import java.util.List;
062: import java.util.LinkedList;
063:
064: import org.w3c.dom.Document;
065: import org.w3c.dom.Node;
066: import org.w3c.dom.NodeList;
067:
068: import org.lateralnz.common.util.XMLUtils;
069:
070: public class CLTemplate {
071: private String name;
072: private LinkedList elements = new LinkedList();
073: private CLIOHandler ioh;
074:
075: public CLTemplate(Document doc, CLIOHandler ioh) throws Exception {
076: this .ioh = ioh;
077: NodeList nl;
078: NodeList nl1 = doc.getElementsByTagName("textform");
079: if (nl1.getLength() < 1) {
080: throw new Exception("expecting textform");
081: } else {
082: name = XMLUtils.getAttributeValue(nl1.item(0), "name", "");
083: nl = nl1.item(0).getChildNodes();
084: }
085:
086: for (int i = 0; i < nl.getLength(); i++) {
087: Node n = nl.item(i);
088: String nodename = n.getNodeName();
089: if (nodename.equals("input")) {
090: String type = XMLUtils.getAttributeValue(n, "type",
091: "text");
092: String iname = XMLUtils
093: .getAttributeValue(n, "name", "");
094: Node tn = XMLUtils.getNamedNode(n, "text");
095: List l = XMLUtils.getNodesByName(n, "message");
096:
097: elements.add(new EInput(name, iname, type, tn
098: .getFirstChild().getNodeValue(), l));
099: } else if (nodename.equals("p")) {
100: if (n.getFirstChild() != null) {
101: elements.add(new EParagraph(n.getFirstChild()
102: .getNodeValue()));
103: } else {
104: elements.add(new EParagraph(""));
105: }
106: } else if (nodename.equals("output")) {
107: String oname = XMLUtils
108: .getAttributeValue(n, "name", "");
109: String text = "";
110: if (n.getFirstChild() != null) {
111: text = n.getFirstChild().getNodeValue();
112: }
113: elements.add(new EOutput(oname, text));
114: }
115: }
116: }
117:
118: public boolean process(BufferedReader in, OutputStream out,
119: Map ctx, CLValidator validator, boolean forceNoPrompt)
120: throws Exception {
121: Iterator iter = elements.iterator();
122: boolean doPrompt = false;
123: int rtn = 0;
124: while (iter.hasNext()) {
125: CLElement elem = (CLElement) iter.next();
126: if (!iter.hasNext() && !forceNoPrompt) {
127: doPrompt = true;
128: }
129: rtn = elem.process(in, out, ctx, ioh, validator, doPrompt);
130: if (rtn != 0) {
131: return false;
132: }
133: }
134:
135: int valid = Integer.MIN_VALUE;
136: if (validator != null) {
137: valid = validator.validate(ctx, name, null);
138: }
139:
140: if (valid != 0 && valid != Integer.MIN_VALUE) {
141: return false;
142: } else {
143: return true;
144: }
145: }
146:
147: }
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