Android XML String to Text Convert getValueInsideXmlTags(String xml, String tag)

Description

get Value Inside Xml Tags

Parameter

Parameter	Description
xml	a parameter
tag	- without brackets, tag="html" will mean give me everything between <html> and </html>.

Declaration

public static String getValueInsideXmlTags(String xml, String tag)

Method Source Code

//package com.java2s;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    /**/*ww w .  j  ava 2  s .c  o  m*/
     * 
     * @param xml
     * @param openTag - for example openTag="<a>"
     * @param closeTag - for example closeTag="</a>"
     * @return
     */
    public static String getValueInsideXmlTags(String xml, String openTag,
            String closeTag) {
        String regexCode = "(?<=" + openTag + ")(.*?)(?=" + closeTag + ")";

        return regexExtract(xml, regexCode);
    }

    /**
     * @param xml
     * @param tag - without brackets, tag="html" will mean give me everything between <html> and
     * </html>.
     * @return
     */
    public static String getValueInsideXmlTags(String xml, String tag) {
        return getValueInsideXmlTags(xml, "<" + tag + ">", "</" + tag + ">");
    }

    /**
     * Extracts regex match from string
     * @param string to search
     * @param pattern regex pattern
     * @return matched string, or null if nothing found (or null if any of the parameters is null)
     */
    public static String regexExtract(String string, String pattern) {
        if (string == null || pattern == null) {
            return null;
        }

        Matcher m = regexGetMatcherForPattern(string, pattern);
        if (m == null) {
            return null;
        }

        if (m.find()) {
            return m.group(0);
        } else
            return null;
    }

    public static Matcher regexGetMatcherForPattern(String string,
            String pattern) {
        if (string == null || pattern == null) {
            return null;
        }

        /**
         * strip newline characters because it doesn't work well with this.
         */
        //    string = string.replace("\n", "");

        Pattern p = Pattern.compile(pattern, Pattern.DOTALL
                | Pattern.MULTILINE);
        Matcher m = p.matcher(string);

        return m;
    }
}

Android XML String to Text Convert getValueInsideXmlTags(String xml, String tag)

Description

Parameter

Declaration

Method Source Code

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