| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.apache.commons.imaging.formats.tiff.taginfos; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.util.Arrays; |
| |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.ImageWriteException; |
| import org.apache.commons.imaging.formats.tiff.TiffField; |
| import org.apache.commons.imaging.formats.tiff.constants.TiffDirectoryType; |
| import org.apache.commons.imaging.formats.tiff.fieldtypes.FieldType; |
| import org.apache.commons.imaging.util.Debug; |
| |
| /** |
| * Windows XP onwards store some tags using UTF-16LE, but the field type is byte - |
| * here we deal with this. |
| */ |
| public class TagInfoXpString extends TagInfo { |
| public TagInfoXpString(String name, int tag, int length, TiffDirectoryType directoryType) { |
| super(name, tag, Arrays.asList(FIELD_TYPE_UNDEFINED), length, directoryType); |
| } |
| |
| @Override |
| public byte[] encodeValue(FieldType fieldType, Object value, |
| int byteOrder) throws ImageWriteException |
| { |
| if (!(value instanceof String)) |
| throw new ImageWriteException("Text value not String: " + value |
| + " (" + Debug.getType(value) + ")"); |
| String s = (String) value; |
| try { |
| return s.getBytes("UTF-16LE"); |
| } catch (UnsupportedEncodingException cannotHappen) { |
| return null; |
| } |
| } |
| |
| @Override |
| public String getValue(TiffField entry) throws ImageReadException { |
| if (entry.type != FIELD_TYPE_BYTE.type) { |
| throw new ImageReadException("Text field not encoded as bytes."); |
| } |
| try { |
| return new String(entry.getByteArrayValue(), "UTF-16LE"); |
| } catch (UnsupportedEncodingException cannotHappen) { |
| return null; |
| } |
| } |
| } |