/* $Id$ */
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.manifoldcf.scriptengine;
import org.apache.manifoldcf.core.util.URLEncoder;
/** Variable class representing a ManifoldCF query argument, with a name
* and a value.
*/
public class VariableQueryArg extends VariableBase
{
protected final String name;
protected final String value;
public VariableQueryArg(String name, String value)
{
if (value == null)
value = "";
this.name = name;
this.value = value;
}
@Override
public int hashCode()
{
return name.hashCode() + value.hashCode();
}
@Override
public boolean equals(Object o)
{
if (!(o instanceof VariableQueryArg))
return false;
VariableQueryArg other = (VariableQueryArg)o;
return other.name.equals(name) && other.value.equals(value);
}
/** Check if the variable has a string value */
@Override
public boolean hasStringValue()
throws ScriptException
{
return true;
}
/** Check if the variable has a script value */
@Override
public boolean hasScriptValue()
throws ScriptException
{
return true;
}
/** Check if the variable has a query arg value */
@Override
public boolean hasQueryArgumentValue()
throws ScriptException
{
return true;
}
/** Get the variable's script value */
@Override
public String getScriptValue()
throws ScriptException
{
StringBuilder sb = new StringBuilder();
sb.append("new queryarg ").append(escapeValue(name)).append("=").append(escapeValue(value));
return sb.toString();
}
protected static String escapeValue(String input)
{
StringBuilder sb = new StringBuilder("\"");
int i = 0;
while (i < input.length())
{
char x = input.charAt(i++);
if (x == '\\' || x == '\"')
sb.append('\\');
sb.append(x);
}
sb.append("\"");
return sb.toString();
}
/** Get the variable's value as a string */
@Override
public String getStringValue()
throws ScriptException
{
return URLEncoder.encode(name).replace("+","%20") + "=" +
URLEncoder.encode(value).replace("+","%20");
}
@Override
public String getQueryArgumentValue()
throws ScriptException
{
return getStringValue();
}
@Override
public VariableReference doubleEquals(Variable v)
throws ScriptException
{
if (v == null)
throw new ScriptException(composeMessage("Binary '==' operand cannot be null"));
return new VariableBoolean(getStringValue().equals(v.getStringValue()));
}
@Override
public VariableReference exclamationEquals(Variable v)
throws ScriptException
{
if (v == null)
throw new ScriptException(composeMessage("Binary '!=' operand cannot be null"));
return new VariableBoolean(!getStringValue().equals(v.getStringValue()));
}
}