/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.roller.weblogger.ui.struts2.common;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.roller.weblogger.WebloggerException;
import org.apache.roller.weblogger.business.WebloggerFactory;
import org.apache.roller.weblogger.business.pings.PingTargetManager;
import org.apache.roller.weblogger.pojos.PingTarget;
import org.apache.roller.weblogger.ui.struts2.util.UIAction;
/**
* Base implementation for action that can edit an existing ping target.
*/
public abstract class PingTargetEditBase extends UIAction {
// ping target we are working on, if any
private PingTarget pingTarget = null;
// a bean for managing submitted data
private PingTargetFormBean bean = new PingTargetFormBean();
// get logger
protected abstract Log getLogger();
/**
* Prepare action by loading ping target to work on.
*/
public void myPrepare() {
PingTargetManager pingTargetMgr = WebloggerFactory.getWeblogger().getPingTargetManager();
if(!StringUtils.isEmpty(getBean().getId())) {
try {
setPingTarget(pingTargetMgr.getPingTarget(getBean().getId()));
} catch (WebloggerException ex) {
getLogger().error("Error looking up ping target - "+getBean().getId());
}
if(getPingTarget() == null) {
// TODO: i18n
addError("No such ping target id: " + getBean().getId());
}
} else {
// TODO: i18n
addError("Missing ping target id: " + getBean().getId());
}
}
public String execute() {
if(!hasActionErrors()) {
// load bean with data from ping target
getBean().copyFrom(getPingTarget());
} else {
// if we already have an error then that means we couldn't load
// an existing ping target to work on, so return ERROR result
return ERROR;
}
return INPUT;
}
/**
* Save ping target.
*/
public String save() {
if(hasActionErrors()) {
// if we already have an error then that means we couldn't load
// an existing ping target to work on, so return ERROR result
return INPUT;
}
// copy data from form into ping target
getBean().copyTo(getPingTarget());
// Call private helper to validate ping target
// If there are errors, go back to the target edit page.
myValidate(getPingTarget());
if(!hasActionErrors()) try {
// Appears to be ok. Save it and flush.
PingTargetManager pingTargetMgr = WebloggerFactory.getWeblogger().getPingTargetManager();
pingTargetMgr.savePingTarget(getPingTarget());
WebloggerFactory.getWeblogger().flush();
addMessage("pingTarget.saved");
} catch (WebloggerException ex) {
getLogger().error("Error saving ping target", ex);
// TODO: i18n
addError("Error saving ping target.");
}
return INPUT;
}
/**
* Private helper to validate a ping target.
*/
protected void myValidate(PingTarget pingTarget) {
try {
PingTargetManager pingTargetMgr = WebloggerFactory.getWeblogger().getPingTargetManager();
if (!pingTargetMgr.isNameUnique(pingTarget)) {
addError("pingTarget.nameNotUnique");
}
if (!pingTargetMgr.isUrlWellFormed(pingTarget)) {
addError("pingTarget.malformedUrl");
} else if (!pingTargetMgr.isHostnameKnown(pingTarget)) {
addError("pingTarget.unknownHost");
}
} catch (WebloggerException ex) {
getLogger().error("Error validating ping target", ex);
// TODO: i18n
addError("Error doing ping target validation");
}
}
public PingTarget getPingTarget() {
return pingTarget;
}
public void setPingTarget(PingTarget pingTarget) {
this.pingTarget = pingTarget;
}
public PingTargetFormBean getBean() {
return bean;
}
public void setBean(PingTargetFormBean bean) {
this.bean = bean;
}
}