Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved.
 *
 * 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 java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.content.Context;
import android.net.Uri;
import android.text.Spannable;
import android.text.Spannable.Factory;
import android.text.style.ImageSpan;

public class Main {
    private static final Factory spannableFactory = Spannable.Factory.getInstance();
    private static final Map<Pattern, Object> emoticons = new HashMap<Pattern, Object>();

    public static Spannable getSmiledText(Context context, CharSequence text) {
        Spannable spannable = spannableFactory.newSpannable(text);
        addSmiles(context, spannable);
        return spannable;
    }

    /**
     * replace existing spannable with smiles
     * @param context
     * @param spannable
     * @return
     */
    public static boolean addSmiles(Context context, Spannable spannable) {
        boolean hasChanges = false;
        for (Entry<Pattern, Object> entry : emoticons.entrySet()) {
            Matcher matcher = entry.getKey().matcher(spannable);
            while (matcher.find()) {
                boolean set = true;
                for (ImageSpan span : spannable.getSpans(matcher.start(), matcher.end(), ImageSpan.class))
                    if (spannable.getSpanStart(span) >= matcher.start()
                            && spannable.getSpanEnd(span) <= matcher.end())
                        spannable.removeSpan(span);
                    else {
                        set = false;
                        break;
                    }
                if (set) {
                    hasChanges = true;
                    Object value = entry.getValue();
                    if (value instanceof String && !((String) value).startsWith("http")) {
                        File file = new File((String) value);
                        if (!file.exists() || file.isDirectory()) {
                            return false;
                        }
                        spannable.setSpan(new ImageSpan(context, Uri.fromFile(file)), matcher.start(),
                                matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                    } else {
                        spannable.setSpan(new ImageSpan(context, (Integer) value), matcher.start(), matcher.end(),
                                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                    }
                }
            }
        }

        return hasChanges;
    }
}