/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.jdbc;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.util.List;
import org.teiid.client.SourceWarning;
import org.teiid.runtime.client.Messages;
/**
* Utilities for creating SQLWarnings.
*/
class WarningUtil {
private WarningUtil() {
}
/**
* Used to wrap warnings/exceptions into SQLWarning.
* The chain of warnings is translated into a chain of SQLWarnings.
* @param reason String object which is the description of the warning.
* @param ex Throwable object which needs to be wrapped.
*/
static SQLWarning createWarning(Throwable ex) {
String sourceName = null;
String modelName = null;
if(ex instanceof SourceWarning) {
SourceWarning exception = (SourceWarning)ex;
if (exception.isPartialResultsError()) {
PartialResultsWarning warning = new PartialResultsWarning(Messages.getString(Messages.JDBC.WarningUtil_Failures_occurred));
warning.addConnectorFailure(exception.getConnectorBindingName(), new SQLException(exception));
return warning;
}
ex = exception.getCause();
sourceName = exception.getConnectorBindingName();
modelName = exception.getModelName();
}
return new SQLWarning(sourceName, modelName, ex);
}
/**
* Convert a List of warnings from the server into a single SQLWarning chain.
* @param exceptions List of exceptions from server
* @return Chain of SQLWarning corresponding to list of exceptions
*/
static SQLWarning convertWarnings(List<Throwable> exceptions) {
if(exceptions == null || exceptions.size() == 0) {
return null;
}
SQLWarning root = createWarning(exceptions.get(0));
SQLWarning current = root;
for (int i = 1; i < exceptions.size(); i++) {
SQLWarning newWarning = createWarning(exceptions.get(i));
current.setNextWarning(newWarning);
current = newWarning;
}
return root;
}
}