/*
* RHQ Management Platform
* Copyright (C) 2005-2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program 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 General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.enterprise.gui.legacy.taglib.display;
import java.io.IOException;
import java.io.Writer;
import java.util.Iterator;
import java.util.List;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;
import org.rhq.core.domain.resource.composite.DisambiguationReport;
import org.rhq.enterprise.gui.inventory.resource.DisambiguatedResourceLineageComponent;
/**
* Renders the location of a disambiguated resource.
*
* @author Lukas Krejci
*/
public class DisambiguatedResourceLineageTag extends TagSupport {
private static final long serialVersionUID = 1L;
private List<DisambiguationReport.Resource> parents;
private Boolean renderLinks;
public List<DisambiguationReport.Resource> getParents() {
return parents;
}
public void setParents(List<DisambiguationReport.Resource> parents) {
this.parents = parents;
}
public Boolean getRenderLinks() {
return renderLinks;
}
public void setRenderLinks(Boolean renderLinks) {
this.renderLinks = renderLinks;
}
@Override
public int doEndTag() throws JspException {
JspWriter writer = pageContext.getOut();
try {
boolean renderLinks = this.renderLinks == null || this.renderLinks;
writeParents(writer, parents, renderLinks, true);
return super.doEndTag();
} catch (IOException e) {
throw new JspTagException(e);
}
}
private static String getUrl(DisambiguationReport.Resource resource) {
return DisambiguatedResourceNameTag.getDefaultResourceUrl(resource.getId());
}
public static void writeParents(Writer writer, List<DisambiguationReport.Resource> parents, boolean renderLinks, boolean htmlOuptut) throws IOException {
if (parents != null && parents.size() > 0) {
Iterator<DisambiguationReport.Resource> it = parents.iterator();
DisambiguationReport.Resource parent = it.next();
DisambiguatedResourceNameTag.writeResource(writer, renderLinks ? getUrl(parent) : null, parent.getName(),
parent.getType(), htmlOuptut);
while (it.hasNext()) {
writer.append(DisambiguatedResourceLineageComponent.DEFAULT_SEPARATOR);
parent = it.next();
DisambiguatedResourceNameTag.writeResource(writer, renderLinks ? getUrl(parent) : null, parent.getName(),
parent.getType(), htmlOuptut);
}
}
}
}