org.opencms.gwt.CmsBrokenLinkRenderer Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (C) Alkacon Software (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.gwt;
import org.opencms.ade.containerpage.inherited.CmsInheritanceGroupUtils;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsProperty;
import org.opencms.file.CmsPropertyDefinition;
import org.opencms.file.CmsResource;
import org.opencms.file.CmsResourceFilter;
import org.opencms.file.types.CmsResourceTypeXmlContainerPage;
import org.opencms.file.types.I_CmsResourceType;
import org.opencms.gwt.shared.CmsBrokenLinkBean;
import org.opencms.main.CmsException;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.relations.CmsRelation;
import org.opencms.relations.CmsRelationFilter;
import org.opencms.util.CmsUUID;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.apache.commons.logging.Log;
/**
* A helper class used to generate the necessary information for displaying links which will be broken
* if the user tries to delete a file in the ADE GUI.
*/
public class CmsBrokenLinkRenderer {
/** The logger instance for this class.*/
private static final Log LOG = CmsLog.getLog(CmsBrokenLinkRenderer.class);
/** The CMS context used by the broken link renderer.
*/
private CmsObject m_cms;
/**
* Creates a new broken link renderer instance.
*
* @param cms the current CMS context
*/
public CmsBrokenLinkRenderer(CmsObject cms) {
m_cms = cms;
}
/**
* Renders the source of a broken link as a list of CmsBrokenLinkBean instances.
*
* @param target the broken link target
* @param source the broken link source
* @return the list of broken link beans to display to the user
*
* @throws CmsException if something goes wrong
*/
public List renderBrokenLink(CmsResource target, CmsResource source) throws CmsException {
I_CmsResourceType resType = OpenCms.getResourceManager().getResourceType(source);
String typeName = resType.getTypeName();
if (typeName.equals(CmsResourceTypeXmlContainerPage.INHERIT_CONTAINER_CONFIG_TYPE_NAME)) {
return renderBrokenLinkInheritanceGroup(target, source);
} else if (CmsResourceTypeXmlContainerPage.GROUP_CONTAINER_TYPE_NAME.equals(typeName)) {
return renderBrokenLinkGroupContainer(target, source);
} else {
return renderBrokenLinkDefault(target, source);
}
}
/**
* The default method for rendering broken link sources.
*
* @param target the link target
* @param source the link source
* @return the list of broken link beans to display to the user
*
* @throws CmsException if something goes wrong
*/
public List renderBrokenLinkDefault(CmsResource target, CmsResource source) throws CmsException {
List result = new ArrayList();
result.add(createSitemapBrokenLinkBean(source));
return result;
}
/**
* Renders the broken links for a group container.
*
* @param target the broken link target
* @param source the broken link source
*
* @return the list of broken link beans to display to the user
*
* @throws CmsException if something goes wrong
*/
public List renderBrokenLinkGroupContainer(CmsResource target, CmsResource source)
throws CmsException {
List result = new ArrayList();
CmsBrokenLinkBean brokenLinkBean = createSitemapBrokenLinkBean(source);
result.add(brokenLinkBean);
try {
CmsResource referencingPage = findReferencingPage(source);
if (referencingPage != null) {
String pagePath = m_cms.getRequestContext().removeSiteRoot(referencingPage.getRootPath());
String title = CmsResource.getName(pagePath);
CmsProperty titleProp = m_cms.readPropertyObject(
referencingPage,
CmsPropertyDefinition.PROPERTY_TITLE,
false);
if (!titleProp.isNullProperty()) {
title = titleProp.getValue();
}
addPageInfo(brokenLinkBean, title, pagePath);
}
} catch (CmsException e) {
LOG.warn(e.getLocalizedMessage(), e);
}
return result;
}
/**
* Renders broken links from an inheritance group.
*
* @param target the link target
* @param source the link source
*
* @return the list of broken link beans to display to the user
*
* @throws CmsException if something goes wrong
*/
public List renderBrokenLinkInheritanceGroup(CmsResource target, CmsResource source)
throws CmsException {
List result = new ArrayList();
try {
Set names = CmsInheritanceGroupUtils.getNamesOfGroupsContainingResource(m_cms, source, target);
if (!names.isEmpty()) {
for (String name : names) {
String title = null;
String path = null;
String extraTitle = null;
String extraPath = null;
CmsResource group = CmsInheritanceGroupUtils.getInheritanceGroupContentByName(m_cms, name);
String groupParent = CmsResource.getParentFolder(source.getRootPath());
CmsProperty titleProp = m_cms.readPropertyObject(
group,
CmsPropertyDefinition.PROPERTY_TITLE,
false);
title = CmsResource.getName(group.getRootPath());
if (!titleProp.isNullProperty()) {
title = titleProp.getValue();
}
path = m_cms.getRequestContext().removeSiteRoot(source.getRootPath());
List relations = m_cms.readRelations(
CmsRelationFilter.relationsToStructureId(group.getStructureId()));
List referencingPages = new ArrayList();
for (CmsRelation relation : relations) {
CmsResource relSource = relation.getSource(m_cms, CmsResourceFilter.ALL);
String pageParent = CmsResource.getParentFolder(relSource.getRootPath());
if (CmsResourceTypeXmlContainerPage.isContainerPage(relSource)
&& pageParent.equals(groupParent)) {
referencingPages.add(relSource);
}
}
if (!referencingPages.isEmpty()) {
CmsResource firstPage = referencingPages.get(0);
extraPath = m_cms.getRequestContext().removeSiteRoot(firstPage.getRootPath());
extraTitle = m_cms.readPropertyObject(
firstPage,
CmsPropertyDefinition.PROPERTY_TITLE,
true).getValue();
}
result.add(
createBrokenLinkBean(
group.getStructureId(),
CmsResourceTypeXmlContainerPage.INHERIT_CONTAINER_CONFIG_TYPE_NAME,
title,
path,
extraTitle,
extraPath));
}
} else {
result.add(createSitemapBrokenLinkBean(source));
}
} catch (CmsException e) {
result.add(createSitemapBrokenLinkBean(source));
}
return result;
}
/**
* Adds optional page information to the broken link bean.
*
* @param bean the broken link bean
* @param extraTitle the optional page title
* @param extraPath the optional page path
*/
protected void addPageInfo(CmsBrokenLinkBean bean, String extraTitle, String extraPath) {
if (extraTitle != null) {
bean.addInfo(messagePageTitle(), "" + extraTitle);
}
if (extraPath != null) {
bean.addInfo(messagePagePath(), "" + extraPath);
}
}
/**
* Creates a broken link bean from the necessary values.
*
* @param structureId the structure id of the resource
* @param type the resource type
* @param title the title
* @param path the path
* @param extraTitle an optional additional page title
* @param extraPath an optional additional page path
*
* @return the created broken link bean
*/
protected CmsBrokenLinkBean createBrokenLinkBean(
CmsUUID structureId,
String type,
String title,
String path,
String extraTitle,
String extraPath) {
CmsBrokenLinkBean result = new CmsBrokenLinkBean(structureId, title, path, type);
addPageInfo(result, extraTitle, extraPath);
return result;
}
/**
* Creates a "broken link" bean based on a resource.
*
* @param resource the resource
* @return the "broken link" bean with the data from the resource
*
* @throws CmsException if something goes wrong
*/
protected CmsBrokenLinkBean createSitemapBrokenLinkBean(CmsResource resource) throws CmsException {
CmsProperty titleProp = m_cms.readPropertyObject(resource, CmsPropertyDefinition.PROPERTY_TITLE, true);
String typeName = OpenCms.getResourceManager().getResourceType(resource).getTypeName();
String defaultTitle = CmsResource.getName(resource.getRootPath());
String title = titleProp.getValue(defaultTitle);
String path = m_cms.getSitePath(resource);
String subtitle = path;
return new CmsBrokenLinkBean(resource.getStructureId(), title, subtitle, typeName);
}
/**
* Finds a page which references another resource.
*
* @param source a resource
* @return a page which references the resource, or null if no such page was found.
*
* @throws CmsException if something goes wrong
*/
private CmsResource findReferencingPage(CmsResource source) throws CmsException {
List relationsToFile = m_cms.readRelations(
CmsRelationFilter.relationsToStructureId(source.getStructureId()));
for (CmsRelation relation : relationsToFile) {
try {
CmsResource referencingPage = relation.getSource(m_cms, CmsResourceFilter.DEFAULT);
if (CmsResourceTypeXmlContainerPage.isContainerPage(referencingPage)) {
return referencingPage;
}
} catch (CmsException e) {
LOG.info(e.getLocalizedMessage(), e);
}
}
return null;
}
/**
* Gets the workplace locale.
*
* @return the workplace locale
*/
private Locale getLocale() {
return OpenCms.getWorkplaceManager().getWorkplaceLocale(m_cms);
}
/**
* Message accessor.
*
* @return the message
*/
private String messagePagePath() {
return org.opencms.gwt.Messages.get().getBundle(getLocale()).key(
org.opencms.gwt.Messages.GUI_DEPENDENCY_PAGE_PATH_0);
}
/**
* Message accessor.
*
* @return the message
*/
private String messagePageTitle() {
return org.opencms.gwt.Messages.get().getBundle(getLocale()).key(
org.opencms.gwt.Messages.GUI_DEPENDENCY_PAGE_TITLE_0);
}
}