/*
* Copyright 2005 Joe Walker
*
* Licensed 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.directwebremoting.extend;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.directwebremoting.util.LocalUtil;
/**
* A simple implementation of the basic parts of Creator
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public abstract class AbstractCreator implements Creator
{
/* (non-Javadoc)
* @see org.directwebremoting.Creator#setProperties(java.util.Map)
*/
public void setProperties(Map<String, String> params) throws IllegalArgumentException
{
// The default is to use getters and setters
}
/**
* @return Returns the javascript name.
*/
public String getJavascript()
{
return javascript;
}
/**
* @param javascript The javascript name to set.
*/
public void setJavascript(String javascript)
{
if (!LocalUtil.isJavaIdentifier(javascript))
{
log.error("Illegal identifier: '" + javascript + "'");
throw new IllegalArgumentException("Illegal identifier");
}
this.javascript = javascript;
}
/**
* @param scope Set the scope.
*/
public void setScope(String scope)
{
checkScope(scope);
this.scope = scope;
}
/* (non-Javadoc)
* @see org.directwebremoting.Creator#getScope()
*/
public String getScope()
{
return scope;
}
/* (non-Javadoc)
* @see org.directwebremoting.extend.Creator#isCacheable()
*/
public boolean isCacheable()
{
return cacheable;
}
/**
* @param cacheable Whether or not to cache the script.
* @see org.directwebremoting.extend.Creator#isCacheable()
*/
public void setCacheable(boolean cacheable)
{
this.cacheable = cacheable;
}
/* (non-Javadoc)
* @see org.directwebremoting.extend.Creator#isHidden()
*/
public boolean isHidden()
{
return hidden;
}
/**
* @param hidden the new hidden status.
* @see #isHidden()
*/
public void setHidden(boolean hidden)
{
this.hidden = hidden;
}
/**
* Is the given scope valid?
* @param cscope The scope string to match
*/
protected static void checkScope(String cscope)
{
if (!cscope.equals(SCRIPT) && !cscope.equals(PAGE) && !cscope.equals(REQUEST) && !cscope.equals(SESSION) && !cscope.equals(APPLICATION))
{
throw new IllegalArgumentException("Illegal scope '" + cscope + "'. application, session, request, script or page required.");
}
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + getJavascript() + "]";
}
/**
* Do we attempt to deny the existence of classes created by this creator
*/
private boolean hidden = false;
/**
* Do the methods on the Creator change over time?
* TODO: This is only used by the dynamicReload function of ScriptedCreator
* we might be able to simplify several things if we remove this
*/
private boolean cacheable = false;
/**
* The javascript name for the class
*/
private String javascript = null;
/**
* The scope of the objects created by this creator
*/
private String scope = PAGE;
/**
* The log stream
*/
private static final Log log = LogFactory.getLog(AbstractCreator.class);
}