/**
* Copyright (C) 2012 JBoss Inc
*
* 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.jboss.dashboard.ui.taglib;
import org.apache.commons.lang.StringEscapeUtils;
import org.jboss.dashboard.ui.NavigationManager;
import org.jboss.dashboard.ui.SessionManager;
import org.jboss.dashboard.ui.controller.RequestContext;
import org.apache.commons.jxpath.JXPathContext;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.VariableInfo;
import java.util.Map;
/**
*
*/
public class PropertyReadTag extends BaseTag {
private static transient org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(PropertyReadTag.class.getName());
private String object;
private String property;
private Boolean localize;
public static class TEI extends TagExtraInfo {
public VariableInfo[] getVariableInfo(TagData data) {
String varName = data.getId();
if (varName == null)
return new VariableInfo[0];
else
return (new VariableInfo[]{
new VariableInfo(varName, "java.lang.String", true, VariableInfo.AT_END)
});
}
;
}
public String getProperty() {
return property;
}
public void setProperty(String property) {
this.property = property;
}
public String getObject() {
return object;
}
public void setObject(String object) {
this.object = object;
}
public final int doStartTag()
throws JspException {
return EVAL_BODY_BUFFERED;
}
public Boolean getLocalize() {
return localize;
}
public void setLocalize(Boolean localize) {
this.localize = localize;
}
public int doEndTag() throws JspException {
try {
Object value = getPropertyValue();
if (value == null) {
log.debug("Property is null. Clearing content.");
if (super.bodyContent != null) {
value = super.bodyContent.getString();
super.bodyContent.clear();
}
}
if (value != null) {
log.debug("value = " + value);
if (super.id != null) {
log.debug("Setting " + super.id + " to " + value);
super.pageContext.setAttribute(super.id, value, PageContext.PAGE_SCOPE);
return SKIP_BODY;
} else {
log.debug("Printing value " + value);
super.pageContext.getOut().print(value);
}
}
} catch (Exception e) {
handleError(e);
}
return EVAL_PAGE;
}
protected Object getPropertyValue() {
log.debug("Getting property " + property + " from " + object);
Object subjectOfTheGetter = null;
if ("workspace".equalsIgnoreCase(object)) {
subjectOfTheGetter = NavigationManager.lookup().getCurrentWorkspace();
} else if ("section".equalsIgnoreCase(object)) {
subjectOfTheGetter = NavigationManager.lookup().getCurrentSection();
} else if ("panel".equalsIgnoreCase(object)) {
subjectOfTheGetter = RequestContext.lookup().getActivePanel();
} else if ("request".equalsIgnoreCase(object)) {
subjectOfTheGetter = RequestContext.lookup().getRequest();
} else if ("session".equalsIgnoreCase(object)) {
subjectOfTheGetter = RequestContext.lookup().getRequest().getSessionObject();
} else {
log.warn("Invalid object to get property from: " + object);
}
if (subjectOfTheGetter == null) {
log.debug("Cannot get current " + object);
return null;
}
try {
Object val = JXPathContext.newContext(subjectOfTheGetter).getValue(property);
if (localize != null && localize.booleanValue() && val instanceof Map) {
return StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml((String)(localize((Map) val))));
}
return StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml((String)val));
} catch (Exception e) {
log.warn("Error accessing property " + property + " in " + object + "." + e);
return null;
}
}
protected Object localize(Map map) {
return LocalizeTag.getLocalizedValue(map, SessionManager.getLang(), true);
}
}