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.common; 018 019import java.util.ArrayList; 020import java.util.List; 021 022public class GenericImageMetadata implements ImageMetadata { 023 024 public static class GenericImageMetadataItem implements ImageMetadataItem { 025 026 private final String keyword; 027 private final String text; 028 029 public GenericImageMetadataItem(final String keyword, final String text) { 030 this.keyword = keyword; 031 this.text = text; 032 } 033 034 public String getKeyword() { 035 return keyword; 036 } 037 038 public String getText() { 039 return text; 040 } 041 042 @Override 043 public String toString() { 044 return toString(null); 045 } 046 047 @Override 048 public String toString(final String prefix) { 049 final String result = keyword + ": " + text; 050 if (null != prefix) { 051 return prefix + result; 052 } 053 return result; 054 } 055 } 056 057 private static final String NEWLINE = System.lineSeparator(); 058 059 private final List<ImageMetadataItem> items = new ArrayList<>(); 060 061 public void add(final ImageMetadataItem item) { 062 items.add(item); 063 } 064 065 public void add(final String keyword, final String text) { 066 add(new GenericImageMetadataItem(keyword, text)); 067 } 068 069 @Override 070 public List<? extends ImageMetadataItem> getItems() { 071 return new ArrayList<>(items); 072 } 073 074 @Override 075 public String toString() { 076 return toString(null); 077 } 078 079 @Override 080 public String toString(String prefix) { 081 if (null == prefix) { 082 prefix = ""; 083 } 084 085 final StringBuilder result = new StringBuilder(); 086 for (int i = 0; i < items.size(); i++) { 087 if (i > 0) { 088 result.append(NEWLINE); 089 } 090 // if (null != prefix) 091 // result.append(prefix); 092 093 final ImageMetadataItem item = items.get(i); 094 result.append(item.toString(prefix + "\t")); 095 096 // Debug.debug("prefix", prefix); 097 // Debug.debug("item", items.get(i)); 098 // Debug.debug(); 099 } 100 return result.toString(); 101 } 102 103}