// Openbravo POS is a point of sales application designed for touch screens.
// Copyright (C) 2007-2009 Openbravo, S.L.
// http://www.openbravo.com/product/pos
//
// This file is part of Openbravo POS.
//
// Openbravo POS 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 3 of the License, or
// (at your option) any later version.
//
// Openbravo POS 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 Openbravo POS. If not, see <http://www.gnu.org/licenses/>.
package com.openbravo.data.loader;
import java.io.*;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.openbravo.basic.BasicException;
public abstract class BatchSentence extends BaseSentence {
protected Session m_s;
protected HashMap<String, String> m_parameters;
/** Creates a new instance of BatchSentence */
public BatchSentence(Session s) {
m_s = s;
m_parameters = new HashMap<String, String>();
}
public void putParameter(String name, String replacement) {
m_parameters.put(name, replacement);
}
protected abstract Reader getReader() throws BasicException;
public class ExceptionsResultSet implements DataResultSet {
List l;
int m_iIndex;
public ExceptionsResultSet(List l) {
this.l = l;
m_iIndex = -1;
}
public Integer getInt(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
public String getString(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
public Double getDouble(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
public Boolean getBoolean(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
public java.util.Date getTimestamp(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
//public java.io.InputStream getBinaryStream(int columnIndex) throws DataException;
public byte[] getBytes(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
public Object getObject(int columnIndex) throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
// public int getColumnCount() throws DataException;
public DataField[] getDataField() throws BasicException {
throw new BasicException(LocalRes.getIntString("exception.nodataset"));
}
public Object getCurrent() throws BasicException {
if (m_iIndex < 0 || m_iIndex >= l.size()) {
throw new BasicException(LocalRes.getIntString("exception.outofbounds"));
} else {
return l.get(m_iIndex);
}
}
public boolean next() throws BasicException {
return ++m_iIndex < l.size();
}
public void close() throws BasicException {
}
public int updateCount() {
return 0;
}
}
public final void closeExec() throws BasicException {
}
public final DataResultSet moreResults() throws BasicException {
return null;
}
public DataResultSet openExec(Object params) throws BasicException {
BufferedReader br = new BufferedReader(getReader());
String sLine;
StringBuffer sSentence = new StringBuffer();
List aExceptions = new ArrayList();
try {
while ((sLine = br.readLine()) != null) {
sLine = sLine.trim();
if (!sLine.equals("") && !sLine.startsWith("--")) {
// No es un comentario ni linea vacia
if (sLine.endsWith(";")) {
// ha terminado la sentencia
sSentence.append(sLine.substring(0, sLine.length() - 1));
// File parameters
Pattern pattern = Pattern.compile("\\$(\\w+)\\{([^}]*)\\}");
Matcher matcher = pattern.matcher(sSentence.toString());
List paramlist = new ArrayList();
// Replace all occurrences of pattern in input
StringBuffer buf = new StringBuffer();
while (matcher.find()) {
if ("FILE".equals(matcher.group(1))) {
paramlist.add(ImageUtils.getBytesFromResource(matcher.group(2)));
matcher.appendReplacement(buf, "?");
} else {
String replacement = m_parameters.get(matcher.group(1));
if (replacement == null) {
matcher.appendReplacement(buf, Matcher.quoteReplacement(matcher.group(0)));
} else {
paramlist.add(replacement);
matcher.appendReplacement(buf, "?");
}
}
}
matcher.appendTail(buf);
// La disparo
try {
BaseSentence sent;
if (paramlist.size() == 0) {
sent = new StaticSentence(m_s, buf.toString());
sent.exec();
} else {
sent = new PreparedSentence(m_s, buf.toString(), SerializerWriteBuilder.INSTANCE);
sent.exec(new VarParams(paramlist));
}
} catch (BasicException eD) {
aExceptions.add(eD);
}
sSentence = new StringBuffer();
} else {
// la sentencia continua en la linea siguiente
sSentence.append(sLine);
}
}
}
br.close();
} catch (IOException eIO) {
throw new BasicException(LocalRes.getIntString("exception.noreadfile"), eIO);
}
if (sSentence.length() > 0) {
// ha quedado una sentencia inacabada
aExceptions.add(new BasicException(LocalRes.getIntString("exception.nofinishedfile")));
}
return new ExceptionsResultSet(aExceptions);
}
private static class VarParams implements SerializableWrite {
private List l;
public VarParams(List l) {
this.l = l;
}
public void writeValues(DataWrite dp) throws BasicException {
for (int i = 0; i < l.size(); i++) {
Object v = l.get(i);
if (v instanceof String) {
dp.setString(i + 1, (String) v);
} else if (v instanceof byte[]) {
dp.setBytes(i + 1, (byte[]) l.get(i));
} else {
dp.setObject(i + 1, v);
}
}
}
}
}