Android XmlPullParser Read readValueXml(XmlPullParser parser, String[] name)

Description

read Value Xml

Declaration

public static final Object readValueXml(XmlPullParser parser,
            String[] name) throws XmlPullParserException,
            java.io.IOException 

Method Source Code

//package com.java2s;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;

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

public class Main {
    public static final Object readValueXml(XmlPullParser parser,
            String[] name) throws XmlPullParserException,
            java.io.IOException {
        int eventType = parser.getEventType();
        do {// w  ww  . java 2  s .co m
            if (eventType == XmlPullParser.START_TAG) {
                return readThisValueXml(parser, name);
            } else if (eventType == XmlPullParser.END_TAG) {
                throw new XmlPullParserException("Unexpected end tag at: "
                        + parser.getName());
            } else if (eventType == XmlPullParser.TEXT) {
                throw new XmlPullParserException("Unexpected text: "
                        + parser.getText());
            }
            eventType = parser.next();
        } while (eventType != XmlPullParser.END_DOCUMENT);

        throw new XmlPullParserException("Unexpected end of document");
    }

    private static final Object readThisValueXml(XmlPullParser parser,
            String[] name) throws XmlPullParserException,
            java.io.IOException {
        final String valueName = parser.getAttributeValue(null, "name");
        final String tagName = parser.getName();
        Object res;

        if (tagName.equals("null")) {
            res = null;
        } else if (tagName.equals("string")) {
            String value = "";
            int eventType;
            while ((eventType = parser.next()) != XmlPullParser.END_DOCUMENT) {
                if (eventType == XmlPullParser.END_TAG) {
                    if (parser.getName().equals("string")) {
                        name[0] = valueName;
                        // System.out.println("Returning value for " + valueName
                        // + ": " + value);
                        return value;
                    }
                    throw new XmlPullParserException(
                            "Unexpected end tag in <string>: "
                                    + parser.getName());
                } else if (eventType == XmlPullParser.TEXT) {
                    value += parser.getText();
                } else if (eventType == XmlPullParser.START_TAG) {
                    throw new XmlPullParserException(
                            "Unexpected start tag in <string>: "
                                    + parser.getName());
                }
            }
            throw new XmlPullParserException(
                    "Unexpected end of document in <string>");
        } else if (tagName.equals("int")) {
            res = Integer.parseInt(parser.getAttributeValue(null, "value"));
        } else if (tagName.equals("long")) {
            res = Long.valueOf(parser.getAttributeValue(null, "value"));
        } else if (tagName.equals("float")) {
            res = Float.valueOf(parser.getAttributeValue(null, "value"));
        } else if (tagName.equals("double")) {
            res = Double.valueOf(parser.getAttributeValue(null, "value"));
        } else if (tagName.equals("boolean")) {
            res = Boolean.valueOf(parser.getAttributeValue(null, "value"));
        } else if (tagName.equals("int-array")) {
            parser.next();
            res = readThisIntArrayXml(parser, "int-array", name);
            name[0] = valueName;
            return res;
        } else if (tagName.equals("map")) {
            parser.next();
            res = readThisMapXml(parser, "map", name);
            name[0] = valueName;
            return res;
        } else if (tagName.equals("list")) {
            parser.next();
            res = readThisListXml(parser, "list", name);
            name[0] = valueName;
            return res;
        } else if (tagName.equals("set")) {
            parser.next();
            res = readThisSetXml(parser, "set", name);
            name[0] = valueName;
            return res;
        } else {
            throw new XmlPullParserException("Unknown tag: " + tagName);
        }

        int eventType;
        while ((eventType = parser.next()) != XmlPullParser.END_DOCUMENT) {
            if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals(tagName)) {
                    name[0] = valueName;
                    return res;
                }
                throw new XmlPullParserException("Unexpected end tag in <"
                        + tagName + ">: " + parser.getName());
            } else if (eventType == XmlPullParser.TEXT) {
                throw new XmlPullParserException("Unexpected text in <"
                        + tagName + ">: " + parser.getName());
            } else if (eventType == XmlPullParser.START_TAG) {
                throw new XmlPullParserException(
                        "Unexpected start tag in <" + tagName + ">: "
                                + parser.getName());
            }
        }
        throw new XmlPullParserException("Unexpected end of document in <"
                + tagName + ">");
    }

    public static final int[] readThisIntArrayXml(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 byte-array");
        } catch (NumberFormatException e) {
            throw new XmlPullParserException(
                    "Not a number in num attribute in byte-array");
        }

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

        int eventType = parser.getEventType();
        do {
            if (eventType == XmlPullParser.START_TAG) {
                if (parser.getName().equals("item")) {
                    try {
                        array[i] = Integer.parseInt(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");
    }

    public static final HashMap readThisMapXml(XmlPullParser parser,
            String endTag, String[] name) throws XmlPullParserException,
            java.io.IOException {
        HashMap map = new HashMap();

        int eventType = parser.getEventType();
        do {
            if (eventType == XmlPullParser.START_TAG) {
                Object val = readThisValueXml(parser, name);
                if (name[0] != null) {
                    map.put(name[0], val);
                } else {
                    throw new XmlPullParserException(
                            "Map value without name attribute: "
                                    + parser.getName());
                }
            } else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals(endTag)) {
                    return map;
                }
                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");
    }

    public static final ArrayList readThisListXml(XmlPullParser parser,
            String endTag, String[] name) throws XmlPullParserException,
            java.io.IOException {
        ArrayList list = new ArrayList();

        int eventType = parser.getEventType();
        do {
            if (eventType == XmlPullParser.START_TAG) {
                Object val = readThisValueXml(parser, name);
                list.add(val);
                // System.out.println("Adding to list: " + val);
            } else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals(endTag)) {
                    return list;
                }
                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");
    }

    public static final HashSet readThisSetXml(XmlPullParser parser,
            String endTag, String[] name) throws XmlPullParserException,
            java.io.IOException {
        HashSet set = new HashSet();

        int eventType = parser.getEventType();
        do {
            if (eventType == XmlPullParser.START_TAG) {
                Object val = readThisValueXml(parser, name);
                set.add(val);
                // System.out.println("Adding to set: " + val);
            } else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals(endTag)) {
                    return set;
                }
                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");
    }
}

Related

1. readValueXml(XmlPullParser parser, String[] name)
2. readValueXml(XmlPullParser parser, String[] name)
3. readValueXml(XmlPullParser parser, String[] name)
4. readValueXml(XmlPullParser parser, String[] name)
5. readValueXml(XmlPullParser parser, String[] name)
6. readValueXml(XmlPullParser parser, String[] name)
7. Read(XmlPullParser parser)
8. ReadSubtreeString(XmlPullParser reader)