Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

public class Main {
    /**
     * Read a double[] object from an XmlPullParser.  The XML data could
     * previously have been generated by writeDoubleArrayXml().  The XmlPullParser
     * must be positioned <em>after</em> the tag that begins the list.
     *
     * @param parser The XmlPullParser from which to read the list data.
     * @param endTag Name of the tag that will end the list, usually "double-array".
     * @param name   An array of one string, used to return the name attribute
     *               of the list's tag.
     * @return Returns a newly generated double[].
     * @see #readListXml
     */
    public static double[] readThisDoubleArrayXml(XmlPullParser parser, String endTag, String[] name)
            throws XmlPullParserException, java.io.IOException {

        int num;
        try {
            num = Integer.parseInt(parser.getAttributeValue(null, "num"));
        } catch (NullPointerException e) {
            throw new XmlPullParserException("Need num attribute in double-array");
        } catch (NumberFormatException e) {
            throw new XmlPullParserException("Not a number in num attribute in double-array");
        }
        parser.next();

        double[] array = new double[num];
        int i = 0;

        int eventType = parser.getEventType();
        do {
            if (eventType == XmlPullParser.START_TAG) {
                if (parser.getName().equals("item")) {
                    try {
                        array[i] = Double.parseDouble(parser.getAttributeValue(null, "value"));
                    } catch (NullPointerException e) {
                        throw new XmlPullParserException("Need value attribute in item");
                    } catch (NumberFormatException e) {
                        throw new XmlPullParserException("Not a number in value attribute in item");
                    }
                } else {
                    throw new XmlPullParserException("Expected item tag at: " + parser.getName());
                }
            } else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals(endTag)) {
                    return array;
                } else if (parser.getName().equals("item")) {
                    i++;
                } else {
                    throw new XmlPullParserException("Expected " + endTag + " end tag at: " + parser.getName());
                }
            }
            eventType = parser.next();
        } while (eventType != XmlPullParser.END_DOCUMENT);

        throw new XmlPullParserException("Document ended before " + endTag + " end tag");
    }
}