001/*
002 * (C) Copyright 2006-2007 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 *     <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
018 *
019 * $Id: InputFileInfo.java 28476 2008-01-04 09:52:52Z sfermigier $
020 */
021
022package org.nuxeo.ecm.platform.ui.web.component.file;
023
024import java.io.IOException;
025import java.io.InputStream;
026import java.io.Serializable;
027
028import javax.faces.convert.ConverterException;
029
030import org.apache.commons.logging.Log;
031import org.apache.commons.logging.LogFactory;
032import org.nuxeo.ecm.core.api.Blob;
033import org.nuxeo.ecm.platform.ui.web.util.files.FileUtils;
034
035/**
036 * File information used to manage a file adding/removal.
037 *
038 * @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
039 */
040public class InputFileInfo implements Serializable {
041
042    private static final long serialVersionUID = 1L;
043
044    private static final Log log = LogFactory.getLog(InputFileInfo.class);
045
046    public static final String INVALID_FILE_MESSAGE = "error.inputFile.invalidFile";
047
048    public static final String INVALID_WITH_AJAX_MESSAGE = "error.inputFile.ajax";
049
050    protected Object choice;
051
052    protected Blob blob;
053
054    protected Object filename;
055
056    protected Object mimeType;
057
058    // empty constructor needed by JSF restore method
059    public InputFileInfo() {
060        super();
061    }
062
063    public InputFileInfo(Object choice, Blob blob, Object filename, Object mimeType) {
064        this.choice = choice;
065        this.blob = blob;
066        this.filename = filename;
067        this.mimeType = mimeType;
068    }
069
070    public Blob getBlob() {
071        return blob;
072    }
073
074    public void setBlob(Blob blob) {
075        this.blob = blob;
076    }
077
078    public Object getMimeType() {
079        return mimeType;
080    }
081
082    public void setMimeType(Object mimeType) {
083        this.mimeType = mimeType;
084    }
085
086    public String getConvertedMimeType() throws ConverterException {
087        if (mimeType instanceof String) {
088            return (String) mimeType;
089        } else if (mimeType != null) {
090            log.error("Invalid mimetype detected: " + mimeType);
091        }
092        return null;
093    }
094
095    public Blob getConvertedBlob() throws ConverterException {
096        Blob convertedBlob = null;
097        if (blob instanceof Blob) {
098            convertedBlob = (Blob) blob;
099        } else if (blob instanceof InputStream) {
100            InputStream upFile = (InputStream) blob;
101            try {
102                if (upFile.available() == 0) {
103                    throw new ConverterException(INVALID_FILE_MESSAGE);
104                }
105                convertedBlob = FileUtils.createSerializableBlob(upFile, getConvertedFilename(), getConvertedMimeType());
106            } catch (ConverterException e) {
107                throw e;
108            } catch (IOException e) {
109                throw new ConverterException(INVALID_FILE_MESSAGE);
110            }
111        } else if (blob != null) {
112            throw new ConverterException(INVALID_FILE_MESSAGE);
113        }
114        return convertedBlob;
115    }
116
117    public Object getChoice() {
118        return choice;
119    }
120
121    public void setChoice(Object choice) {
122        this.choice = choice;
123    }
124
125    public String getConvertedChoice() throws ConverterException {
126        if (choice == null || choice instanceof String) {
127            return (String) choice;
128        } else {
129            throw new ConverterException("error.inputFile.invalidChoice");
130        }
131    }
132
133    public Object getFilename() {
134        return filename;
135    }
136
137    public void setFilename(Object filename) {
138        this.filename = filename;
139    }
140
141    public String getConvertedFilename() throws ConverterException {
142        String convertedFilename = null;
143        if (filename instanceof String) {
144            convertedFilename = FileUtils.getCleanFileName((String) filename);
145        } else if (filename != null) {
146            throw new ConverterException("error.inputFile.invalidFilename");
147        }
148        return convertedFilename;
149    }
150
151    protected static boolean equalValues(Object first, Object second) {
152        if (first == null) {
153            return second == null;
154        } else {
155            return first.equals(second);
156        }
157    }
158
159    @Override
160    public boolean equals(Object obj) {
161        if (this == obj) {
162            return true;
163        }
164        if (!(obj instanceof InputFileInfo)) {
165            return false;
166        }
167        InputFileInfo other = (InputFileInfo) obj;
168        if (!equalValues(choice, other.choice)) {
169            return false;
170        }
171        if (!equalValues(filename, other.filename)) {
172            return false;
173        }
174        if (!equalValues(blob, other.blob)) {
175            return false;
176        }
177        if (!equalValues(mimeType, other.mimeType)) {
178            return false;
179        }
180        return true;
181    }
182
183}