/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.operation.impl;
import java.util.regex.Pattern;
import org.jboss.as.cli.operation.OperationFormatException;
import org.jboss.as.cli.operation.CommandLineParser.CallbackHandler;
/**
*
* @author Alexey Loubyansky
*/
public abstract class ValidatingCallbackHandler implements CallbackHandler {
private static final Pattern ALPHANUMERICS_PATTERN = Pattern.compile("[_a-zA-Z](?:[-_a-zA-Z0-9]*[_a-zA-Z0-9])?");
private static final Pattern NODE_NAME_PATTERN = Pattern.compile("\\*|[^*\\p{Space}\\p{Cntrl}]+");
protected String operationStr;
@Override
public void start(String operationString) {
this.operationStr = operationString;
}
/* (non-Javadoc)
* @see org.jboss.as.cli.operation.OperationParser.CallbackHandler#nodeType(java.lang.String)
*/
@Override
public void nodeType(int index, String nodeType) throws OperationFormatException {
assertValidType(nodeType);
validatedNodeType(index, nodeType);
}
protected abstract void validatedNodeType(int index, String nodeType) throws OperationFormatException;
/* (non-Javadoc)
* @see org.jboss.as.cli.operation.OperationParser.CallbackHandler#nodeName(java.lang.String)
*/
@Override
public void nodeName(int index, String nodeName) throws OperationFormatException {
assertValidNodeName(nodeName);
validatedNodeName(index, nodeName);
}
protected abstract void validatedNodeName(int index, String nodeName) throws OperationFormatException;
/* (non-Javadoc)
* @see org.jboss.as.cli.operation.OperationParser.CallbackHandler#operationName(java.lang.String)
*/
@Override
public void operationName(int index, String operationName)
throws OperationFormatException {
if (operationName == null || !ALPHANUMERICS_PATTERN.matcher(operationName).matches()) {
throw new OperationFormatException("'" + operationName + "' is not a valid operation name.");
}
validatedOperationName(index, operationName);
}
protected abstract void validatedOperationName(int index, String operationName) throws OperationFormatException;
/* (non-Javadoc)
* @see org.jboss.as.cli.operation.OperationParser.CallbackHandler#propertyName(java.lang.String)
*/
@Override
public void propertyName(int index, String propertyName)
throws OperationFormatException {
// TODO this is not nice
if(propertyName.length() > 1 && propertyName.charAt(0) == '-' && propertyName.charAt(1) == '-') {
assertValidParameterName(propertyName.substring(2));
} else if(propertyName.length() > 0 && propertyName.charAt(0) == '-') {
assertValidParameterName(propertyName.substring(1));
} else {
assertValidParameterName(propertyName);
}
validatedPropertyName(index, propertyName);
}
protected abstract void validatedPropertyName(int index, String propertyName) throws OperationFormatException;
/* (non-Javadoc)
* @see org.jboss.as.cli.operation.OperationParser.CallbackHandler#property(java.lang.String, java.lang.String, int)
*/
@Override
public void property(String name, String value, int nameValueSeparatorIndex)
throws OperationFormatException {
if(name != null) {
// TODO this is not nice
if(name.length() > 1 && name.charAt(0) == '-' && name.charAt(1) == '-') {
assertValidParameterName(name.substring(2));
} else if(name.length() > 0 && name.charAt(0) == '-') {
assertValidParameterName(name.substring(1));
} else {
assertValidParameterName(name);
}
}
if (value.isEmpty()) {
throw new OperationFormatException("Parameter '" + value + "' is missing value.");
}
validatedProperty(name, value, nameValueSeparatorIndex);
}
protected abstract void validatedProperty(String name, String value, int nameValueSeparatorIndex) throws OperationFormatException;
protected void assertValidType(String nodeType)
throws OperationFormatException {
if (nodeType == null || !ALPHANUMERICS_PATTERN.matcher(nodeType).matches()) {
throw new OperationFormatException("'" + nodeType + "' is not a valid node type name.");
}
}
protected void assertValidNodeName(String nodeName)
throws OperationFormatException {
if (nodeName == null || !NODE_NAME_PATTERN.matcher(nodeName).matches()) {
throw new OperationFormatException("'" + nodeName + "' is not a valid node name.");
}
}
protected void assertValidParameterName(String name)
throws OperationFormatException {
if (name == null || !ALPHANUMERICS_PATTERN.matcher(name).matches()) {
throw new OperationFormatException("'" + name + "' is not a valid parameter name.");
}
}
}