/*
* org.openmicroscopy.shoola.env.data.util.OriginalMetadataParser
*
*------------------------------------------------------------------------------
* Copyright (C) 2013-2015 University of Dundee & Open Microscopy Environment.
* All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.env.data.util;
//Java imports
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TreeSet;
import org.openmicroscopy.shoola.util.CommonsLangUtils;
import omero.RType;
import omero.cmd.OriginalMetadataResponse;
/**
* Helper class used to read the content of
* an <code>OriginalMetadataResponse</code>.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @since 4.4
*/
public class OriginalMetadataParser
{
/** The file to handle.*/
private final File file;
/**
* Writes the content of the map to a String.
*
* @param map The map to convert.
* @param separator Value used to separate key and value.
* @return See above.
*/
private String writeMap(Map<String, RType> map, String separator)
{
if (map == null || map.size() == 0) return null;
if (CommonsLangUtils.isBlank(separator)) separator = " ";
TreeSet<String> sortedSet = new TreeSet<String>(map.keySet());
Iterator<String> j = sortedSet.iterator();
String key;
Object v;
StringBuffer buffer = new StringBuffer();
while (j.hasNext()) {
key = j.next();
buffer.append(key);
buffer.append(separator);
v = ModelMapper.convertRTypeToJava(map.get(key));
if (v instanceof List) {
List<Object> l = (List<Object>) v;
Iterator<Object> k = l.iterator();
while (k.hasNext()) {
buffer.append(k.next());
buffer.append(" ");
}
} else if (v instanceof Map) {
Map<String, Object> l = (Map<String, Object>) v;
Entry<String, Object> e;
Iterator<Entry<String, Object>> k = l.entrySet().iterator();
while (k.hasNext()) {
e = k.next();
buffer.append(e.getKey());
buffer.append(separator);
buffer.append(e.getValue());
}
} else buffer.append(v.toString());
buffer.append(System.getProperty("line.separator"));
}
return buffer.toString();
}
/**
* Creates a new instance.
*
* @param file The file to write the content into
*/
public OriginalMetadataParser(File file)
{
if (file == null)
throw new IllegalArgumentException("No file to write the " +
"content to.");
this.file = file;
}
/**
* Reads the content of the response and writes it to the file.
*
* @param response The response to handle.
* @throws Exception The exception thrown if an error occurred while
* reading/writing.
*/
public void read(OriginalMetadataResponse response)
throws Exception
{
read(response, null);
}
/**
* Reads the content of the response and writes it to the file.
*
* @param response The response to handle.
* @param separator Value used to separate key and value.
* @throws Exception The exception thrown if an error occurred while
* reading/writing.
*/
public void read(OriginalMetadataResponse response, String separator)
throws Exception
{
Writer writer = null;
BufferedWriter bufferWriter = null;
try {
writer = new OutputStreamWriter(new FileOutputStream(file, true), "UTF-8");
bufferWriter = new BufferedWriter(writer);
StringBuffer buffer = new StringBuffer();
String value;
value = writeMap(response.globalMetadata, separator);
if (value != null) {
buffer.append("[GlobalMetadata]");
buffer.append(System.getProperty("line.separator"));
buffer.append(writeMap(response.globalMetadata, separator));
buffer.append(System.getProperty("line.separator"));
}
value = writeMap(response.seriesMetadata, separator);
if (value != null) {
buffer.append("[SeriesMetadata]");
buffer.append(System.getProperty("line.separator"));
buffer.append(writeMap(response.seriesMetadata, separator));
}
bufferWriter.write(buffer.toString());
} catch (Exception e) {
throw new Exception("An error while reading/writing the content.");
} finally {
if (bufferWriter != null) {
bufferWriter.close();
}
if (writer != null) {
writer.close();
}
}
}
}