98 lines
3.6 KiB
Java
98 lines
3.6 KiB
Java
/**
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*
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* Copyright 2014 Anno van Vliet
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.xdatalayout.provider;
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import java.io.IOException;
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import java.util.List;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smackx.xdatalayout.packet.DataLayout;
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import org.jivesoftware.smackx.xdatalayout.packet.DataLayout.DataFormLayoutElement;
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import org.jivesoftware.smackx.xdatalayout.packet.DataLayout.Fieldref;
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import org.jivesoftware.smackx.xdatalayout.packet.DataLayout.Reportedref;
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import org.jivesoftware.smackx.xdatalayout.packet.DataLayout.Section;
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import org.jivesoftware.smackx.xdatalayout.packet.DataLayout.Text;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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/**
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* Extension Provider for Page layout of forms.
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*
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* @author Anno van Vliet
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*
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*/
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public class DataLayoutProvider {
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public static DataLayout parse(XmlPullParser parser) throws XmlPullParserException, IOException,
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SmackException {
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DataLayout dataLayout = new DataLayout(parser.getAttributeValue("", "label"));
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parseLayout(dataLayout.getPageLayout(), parser);
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return dataLayout;
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}
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private static Section parseSection(XmlPullParser parser) throws XmlPullParserException, IOException {
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Section layout = new Section(parser.getAttributeValue("", "label"));
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parseLayout(layout.getSectionLayout(), parser);
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return layout;
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}
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private static void parseLayout(List<DataFormLayoutElement> layout, XmlPullParser parser) throws XmlPullParserException, IOException {
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final int initialDepth = parser.getDepth();
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outerloop: while (true) {
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int eventType = parser.next();
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switch (eventType) {
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case XmlPullParser.START_TAG:
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switch (parser.getName()) {
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case Text.ELEMENT:
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layout.add(new Text(parser.nextText()));
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break;
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case Section.ELEMENT:
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layout.add(parseSection(parser));
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break;
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case Fieldref.ELEMENT:
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layout.add(parseFieldref(parser));
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break;
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case Reportedref.ELEMENT:
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layout.add(new Reportedref());
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break;
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default:
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break;
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}
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break;
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case XmlPullParser.END_TAG:
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if (parser.getDepth() == initialDepth) {
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break outerloop;
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}
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break;
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}
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}
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}
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private static Fieldref parseFieldref(XmlPullParser parser) throws XmlPullParserException, IOException {
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final int initialDepth = parser.getDepth();
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Fieldref fieldref = new Fieldref(parser.getAttributeValue("", "var"));
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outerloop: while (true) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.END_TAG && parser.getDepth() == initialDepth) {
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break outerloop;
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}
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}
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return fieldref;
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}
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}
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