001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.imaging.formats.gif; 018 019import java.util.ArrayList; 020import java.util.Collections; 021import java.util.List; 022 023import org.apache.commons.imaging.common.ImageMetadata; 024 025public class GifImageMetadata implements ImageMetadata { 026 027 private static final String NEWLINE = System.lineSeparator(); 028 private final int width; 029 private final int height; 030 private final List<GifImageMetadataItem> items; 031 032 GifImageMetadata(final int width, final int height, final List<GifImageMetadataItem> items) { 033 this.width = width; 034 this.height = height; 035 this.items = Collections.unmodifiableList(new ArrayList<>(items)); 036 } 037 038 public int getHeight() { 039 return height; 040 } 041 042 @Override 043 public List<GifImageMetadataItem> getItems() { 044 return Collections.unmodifiableList(items); 045 } 046 047 public int getWidth() { 048 return width; 049 } 050 051 @Override 052 public String toString(String prefix) { 053 prefix = prefix == null ? "" : prefix; 054 final StringBuilder result = new StringBuilder(); 055 result.append(String.format("%sGIF metadata:", prefix)); 056 result.append(String.format("%sWidth: %d%s", prefix, width, NEWLINE)); 057 result.append(String.format("%sHeight: %d%s", prefix, height, NEWLINE)); 058 result.append(NEWLINE); 059 result.append(String.format("%sImages:", prefix)); 060 for (final GifImageMetadataItem item : items) { 061 result.append(NEWLINE); 062 result.append(item.toString(prefix)); 063 } 064 return result.toString(); 065 } 066}