cmsrelationsystemvalidator.java

找了很久才找到到源代码

                        org.opencms.workplace.commons.Messages.ERR_PROGRESS_INTERRUPTED_0));
                }
                thread.setProgress((index * 20 / resources.size()) + 20);
            }

            CmsResource resource = (CmsResource)validatableResources.get(index);
            String resourceName = resource.getRootPath();

            if (report != null) {
                report.print(org.opencms.report.Messages.get().container(
                    org.opencms.report.Messages.RPT_SUCCESSION_2,
                    new Integer(index + 1),
                    new Integer(size)), I_CmsReport.FORMAT_NOTE);
                report.print(Messages.get().container(Messages.RPT_HTMLLINK_VALIDATING_0), I_CmsReport.FORMAT_NOTE);
                report.print(org.opencms.report.Messages.get().container(
                    org.opencms.report.Messages.RPT_ARGUMENT_1,
                    dbc.removeSiteRoot(resourceName)));
                report.print(org.opencms.report.Messages.get().container(org.opencms.report.Messages.RPT_DOTS_0));
            }
            List brokenLinks = validateLinks(dbc, resource, offlineFilesLookup, project, report);
            if (brokenLinks.size() > 0) {
                // the resource contains broken links
                invalidResources.put(resourceName, brokenLinks);
                foundBrokenLinks = true;
            } else {
                // the resource contains *NO* broken links
                if (report != null) {
                    report.println(
                        org.opencms.report.Messages.get().container(org.opencms.report.Messages.RPT_OK_0),
                        I_CmsReport.FORMAT_OK);
                }
            }
        }

        if (foundBrokenLinks) {
            // print a summary if we found broken links in the validated resources
            if (report != null) {
                report.println(
                    Messages.get().container(Messages.RPT_HTMLLINK_VALIDATOR_ERROR_0),
                    I_CmsReport.FORMAT_ERROR);
            }
        }
        if (report != null) {
            report.println(Messages.get().container(Messages.RPT_HTMLLINK_VALIDATOR_END_0), I_CmsReport.FORMAT_HEADLINE);
        }
        return invalidResources;
    }

    /**
     * Validates the links for the specified resource.<p>
     * 
     * @param dbc the database context
     * @param resource the resource that will be validated
     * @param fileLookup a map for faster lookup with all resources keyed by their rootpath
     * @param project the project to validate
     * @param report the report to write to
     * 
     * @return a list with the broken links as {@link CmsRelation} objects for the specified resource, 
     *          or an empty list if no broken links were found
     */
    protected List validateLinks(
        CmsDbContext dbc,
        CmsResource resource,
        Map fileLookup,
        CmsProject project,
        I_CmsReport report) {

        List brokenRelations = new ArrayList();
        Map validatedLinks = new HashMap();

        // get the relations
        List relations = null;
        try {
            if (!resource.getState().isDeleted()) {
                // search the target of links in the current (offline) project
                relations = m_driverManager.getRelationsForResource(dbc, resource, CmsRelationFilter.TARGETS);
            } else {
                // search the source of links in the online project
                CmsProject currentProject = dbc.currentProject();
                dbc.getRequestContext().setCurrentProject(project);
                try {
                    relations = m_driverManager.getRelationsForResource(dbc, resource, CmsRelationFilter.SOURCES);
                } finally {
                    dbc.getRequestContext().setCurrentProject(currentProject);
                }
            }
        } catch (CmsException e) {
            LOG.error(Messages.get().getBundle().key(Messages.LOG_LINK_SEARCH_1, resource), e);
            if (report != null) {
                report.println(Messages.get().container(
                    Messages.LOG_LINK_SEARCH_1,
                    dbc.removeSiteRoot(resource.getRootPath())), I_CmsReport.FORMAT_ERROR);
            }
            return brokenRelations;
        }

        // check the relations
        boolean first = true;
        Iterator itRelations = relations.iterator();
        while (itRelations.hasNext()) {
            CmsRelation relation = (CmsRelation)itRelations.next();
            String link;
            if (!resource.getState().isDeleted()) {
                link = relation.getTargetPath();
            } else {
                link = relation.getSourcePath();
            }
            boolean isValidLink = true;
            if (CmsStringUtil.isEmptyOrWhitespaceOnly(link)) {
                // skip empty links
                continue;
            }
            if (validatedLinks.keySet().contains(link)) {
                // skip already validated links
                if (((Boolean)validatedLinks.get(link)).booleanValue()) {
                    // add broken relation of different type
                    brokenRelations.add(relation);
                }
                continue;
            }
            // the link is valid...
            try {
                // ... if the linked resource exists in the online project
                if (!resource.getState().isDeleted()) {
                    // search the target of link in the online project
                    try {
                        link = m_driverManager.getVfsDriver().readResource(
                            new CmsDbContext(),
                            project.getUuid(),
                            relation.getTargetId(),
                            true).getRootPath();
                    } catch (CmsVfsResourceNotFoundException e) {
                        if (LOG.isDebugEnabled()) {
                            LOG.debug(Messages.get().getBundle().key(
                                Messages.LOG_LINK_VALIDATION_READBYID_FAILED_2,
                                relation.getTargetId().toString(),
                                project.getName()), e);
                        }
                        m_driverManager.getVfsDriver().readResource(
                            new CmsDbContext(),
                            project.getUuid(),
                            relation.getTargetPath(),
                            true);
                    }
                } else {
                    // since we are going to delete the resource
                    // check if the linked resource is also to be deleted
                    isValidLink = false;
                    if (fileLookup.containsKey(link)) {
                        CmsResource offlineResource = (CmsResource)fileLookup.get(link);
                        if (offlineResource.getState().isDeleted()) {
                            isValidLink = true;
                        }
                    }
                }
            } catch (CmsException e) {
                // ... or if the linked resource is a resource that gets actually published
                if (LOG.isDebugEnabled()) {
                    LOG.debug(Messages.get().getBundle().key(
                        Messages.LOG_LINK_VALIDATION_READBYPATH_FAILED_2,
                        relation.getTargetPath(),
                        project.getName()), e);
                }
                if (!fileLookup.containsKey(link)) {
                    isValidLink = false;
                    if (LOG.isDebugEnabled()) {
                        LOG.debug(Messages.get().getBundle().key(
                            Messages.LOG_LINK_VALIDATION_RESOURCENOTINLOOKUP_1,
                            link));
                    }
                }
            } finally {
                // ... and if the linked resource to be published get deleted
                if (!resource.getState().isDeleted() && fileLookup.containsKey(link)) {
                    CmsResource offlineResource = (CmsResource)fileLookup.get(link);
                    if (offlineResource.getState().isDeleted()) {
                        if (LOG.isDebugEnabled()) {
                            LOG.debug(Messages.get().getBundle().key(
                                Messages.LOG_LINK_VALIDATION_RESOURCEDELETED_1,
                                link));
                        }
                        isValidLink = false;
                    }
                }
            }
            if (!isValidLink) {
                if (first) {
                    if (report != null) {
                        report.println(
                            Messages.get().container(Messages.RPT_HTMLLINK_FOUND_BROKEN_LINKS_0),
                            I_CmsReport.FORMAT_WARNING);
                    }
                    first = false;
                }
                brokenRelations.add(relation);
                if (report != null) {
                    if (!resource.getState().isDeleted()) {
                        report.println(Messages.get().container(
                            Messages.RPT_HTMLLINK_BROKEN_TARGET_2,
                            relation.getSourcePath(),
                            dbc.removeSiteRoot(link)), I_CmsReport.FORMAT_WARNING);
                    } else {
                        report.println(Messages.get().container(
                            Messages.RPT_HTMLLINK_BROKEN_SOURCE_2,
                            dbc.removeSiteRoot(link),
                            relation.getTargetPath()), I_CmsReport.FORMAT_WARNING);
                    }
                }
            }
            validatedLinks.put(link, Boolean.valueOf(!isValidLink));
        }
        return brokenRelations;
    }
}