001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bstefanescu 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.core.api.model.impl.primitives; 023 024import java.io.ByteArrayInputStream; 025import java.io.IOException; 026import java.io.InputStream; 027import java.io.Serializable; 028 029import org.nuxeo.common.utils.FileUtils; 030import org.nuxeo.ecm.core.api.model.InvalidPropertyValueException; 031import org.nuxeo.ecm.core.api.model.Property; 032import org.nuxeo.ecm.core.api.model.PropertyConversionException; 033import org.nuxeo.ecm.core.api.model.impl.ScalarProperty; 034import org.nuxeo.ecm.core.schema.types.Field; 035 036/** 037 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 038 */ 039public class BinaryProperty extends ScalarProperty { 040 041 private static final long serialVersionUID = 1L; 042 043 public BinaryProperty(Property parent, Field field, int flags) { 044 super(parent, field, flags); 045 } 046 047 @Override 048 public boolean isNormalized(Object value) { 049 return value == null || value instanceof InputStream; 050 } 051 052 @Override 053 public Serializable normalize(Object value) throws PropertyConversionException { 054 if (isNormalized(value)) { 055 // TODO if input stream is not serializable? do we convert to a serializable input stream? 056 return (Serializable) value; 057 } 058 throw new PropertyConversionException(value.getClass(), InputStream.class); 059 // TODO byte array is not serializable 060 // if (value.getClass() == String.class) { 061 // return new ByteArrayInputStream(((String)value).getBytes()); 062 // } 063 // if (value.getClass() == byte[].class) { 064 // return new ByteArrayInputStream((byte[])value.); 065 // } 066 } 067 068 @SuppressWarnings("unchecked") 069 @Override 070 public <T> T convertTo(Serializable value, Class<T> toType) throws PropertyConversionException { 071 if (value == null) { 072 return null; 073 } 074 if (InputStream.class.isAssignableFrom(toType)) { 075 return (T) value; 076 } 077 if (toType == String.class && value instanceof InputStream) { 078 try { 079 return (T) FileUtils.read((InputStream) value); 080 } catch (IOException e) { 081 throw new InvalidPropertyValueException("Failed to read given input stream", e); 082 } 083 } 084 if (toType == byte[].class && value instanceof InputStream) { 085 try { 086 return (T) FileUtils.readBytes((InputStream) value); 087 } catch (IOException e) { 088 throw new InvalidPropertyValueException("Failed to read given input stream", e); 089 } 090 } 091 throw new PropertyConversionException(value.getClass(), toType); 092 } 093 094 @Override 095 public Object newInstance() { 096 return new ByteArrayInputStream("".getBytes()); // TODO not serializable 097 } 098 099}