SpannableStringUtils.java

package com.lh.fly.common.utils;

import android.content.Context;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.util.Linkify;

import java.util.regex.Pattern;

public class SpannableStringUtils {
    private static final String TAG = SpannableStringUtils.class.getSimpleName();

    private static final Pattern PATTERN_WEB = Pattern.compile("http://[a-zA-Z0-9+&@#/%?=~_\\-|!:,\\.;]*[a-zA-Z0-9+&@#/%=~_|]");
    private static final Pattern PATTERN_TOPIC = Pattern.compile("#[\\p{Print}\\p{InCJKUnifiedIdeographs}&&[^#]]+#");
    private static final Pattern PATTERN_MENTION = Pattern.compile("@[\\w\\p{InCJKUnifiedIdeographs}-]{1,26}");
    private static final Pattern PATTERN_EMOTICON = Pattern.compile("\\[(\\S+?)\\]");
    private static final Pattern PATTERN_STYLE = Pattern.compile("(?!^\\\\$)((_+)|(\\*+)|(~+))(\\w{1,})(?!^\\\\$)\\1");

    private static final String HTTP_SCHEME = "http://";
    private static final String TOPIC_SCHEME = "us.shandian.blacklight.topic://";
    private static final String MENTION_SCHEME = "us.shandian.blacklight.user://";

    public static SpannableString span(Context context, String text) {
        text = text.replace("\\n", "\n").replace("<br>", "\n");

        SpannableStringBuilder ssb = new SpannableStringBuilder(text);
        Linkify.addLinks(ssb, PATTERN_WEB, HTTP_SCHEME);
        Linkify.addLinks(ssb, PATTERN_TOPIC, TOPIC_SCHEME);
        Linkify.addLinks(ssb, PATTERN_MENTION, MENTION_SCHEME);

        return null;
    }

}