com.google.gerrit.server.WebLinks Maven / Gradle / Ivy
// Copyright (C) 2014 The Android Open Source Project
//
// 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 com.google.gerrit.server;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.base.Strings;
import com.google.common.collect.FluentIterable;
import com.google.gerrit.common.data.WebLinkInfoCommon;
import com.google.gerrit.extensions.common.DiffWebLinkInfo;
import com.google.gerrit.extensions.common.WebLinkInfo;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.gerrit.extensions.webui.BranchWebLink;
import com.google.gerrit.extensions.webui.DiffWebLink;
import com.google.gerrit.extensions.webui.FileHistoryWebLink;
import com.google.gerrit.extensions.webui.FileWebLink;
import com.google.gerrit.extensions.webui.ParentWebLink;
import com.google.gerrit.extensions.webui.PatchSetWebLink;
import com.google.gerrit.extensions.webui.ProjectWebLink;
import com.google.gerrit.extensions.webui.WebLink;
import com.google.gerrit.reviewdb.client.Project;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Singleton
public class WebLinks {
private static final Logger log = LoggerFactory.getLogger(WebLinks.class);
private static final Predicate INVALID_WEBLINK =
new Predicate() {
@Override
public boolean apply(WebLinkInfo link) {
if (link == null) {
return false;
} else if (Strings.isNullOrEmpty(link.name)
|| Strings.isNullOrEmpty(link.url)) {
log.warn(String.format("%s is missing name and/or url",
link.getClass().getName()));
return false;
}
return true;
}
};
private static final Predicate INVALID_WEBLINK_COMMON =
new Predicate() {
@Override
public boolean apply(WebLinkInfoCommon link) {
if (link == null) {
return false;
} else if (Strings.isNullOrEmpty(link.name)
|| Strings.isNullOrEmpty(link.url)) {
log.warn(String.format("%s is missing name and/or url", link
.getClass().getName()));
return false;
}
return true;
}
};
private final DynamicSet patchSetLinks;
private final DynamicSet parentLinks;
private final DynamicSet fileLinks;
private final DynamicSet fileHistoryLinks;
private final DynamicSet diffLinks;
private final DynamicSet projectLinks;
private final DynamicSet branchLinks;
@Inject
public WebLinks(DynamicSet patchSetLinks,
DynamicSet parentLinks,
DynamicSet fileLinks,
DynamicSet fileLogLinks,
DynamicSet diffLinks,
DynamicSet projectLinks,
DynamicSet branchLinks
) {
this.patchSetLinks = patchSetLinks;
this.parentLinks = parentLinks;
this.fileLinks = fileLinks;
this.fileHistoryLinks = fileLogLinks;
this.diffLinks = diffLinks;
this.projectLinks = projectLinks;
this.branchLinks = branchLinks;
}
/**
*
* @param project Project name.
* @param commit SHA1 of commit.
* @return Links for patch sets.
*/
public FluentIterable getPatchSetLinks(final Project.NameKey project,
final String commit) {
return filterLinks(patchSetLinks, new Function() {
@Override
public WebLinkInfo apply(WebLink webLink) {
return ((PatchSetWebLink)webLink).getPatchSetWebLink(project.get(), commit);
}
});
}
/**
* @param project Project name.
* @param revision SHA1 of the parent revision.
* @return Links for patch sets.
*/
public FluentIterable getParentLinks(final Project.NameKey project,
final String revision) {
return filterLinks(parentLinks, new Function() {
@Override
public WebLinkInfo apply(WebLink webLink) {
return ((ParentWebLink)webLink).getParentWebLink(project.get(), revision);
}
});
}
/**
*
* @param project Project name.
* @param revision SHA1 of revision.
* @param file File name.
* @return Links for files.
*/
public FluentIterable getFileLinks(final String project, final String revision,
final String file) {
return filterLinks(fileLinks, new Function() {
@Override
public WebLinkInfo apply(WebLink webLink) {
return ((FileWebLink)webLink).getFileWebLink(project, revision, file);
}
});
}
/**
*
* @param project Project name.
* @param revision SHA1 of revision.
* @param file File name.
* @return Links for file history
*/
public FluentIterable getFileHistoryLinks(final String project,
final String revision, final String file) {
return filterLinks(fileHistoryLinks, new Function() {
@Override
public WebLinkInfo apply(WebLink webLink) {
return ((FileHistoryWebLink) webLink).getFileHistoryWebLink(project,
revision, file);
}
});
}
public FluentIterable getFileHistoryLinksCommon(
final String project, final String revision, final String file) {
return FluentIterable
.from(fileHistoryLinks)
.transform(new Function() {
@Override
public WebLinkInfoCommon apply(WebLink webLink) {
WebLinkInfo info =
((FileHistoryWebLink) webLink).getFileHistoryWebLink(project,
revision, file);
if (info == null) {
return null;
}
WebLinkInfoCommon commonInfo = new WebLinkInfoCommon();
commonInfo.name = info.name;
commonInfo.imageUrl = info.imageUrl;
commonInfo.url = info.url;
commonInfo.target = info.target;
return commonInfo;
}
})
.filter(INVALID_WEBLINK_COMMON);
}
/**
*
* @param project Project name.
* @param patchSetIdA Patch set ID of side A, null if no base
* patch set was selected.
* @param revisionA SHA1 of revision of side A.
* @param fileA File name of side A.
* @param patchSetIdB Patch set ID of side B.
* @param revisionB SHA1 of revision of side B.
* @param fileB File name of side B.
* @return Links for file diffs.
*/
public FluentIterable getDiffLinks(final String project, final int changeId,
final Integer patchSetIdA, final String revisionA, final String fileA,
final int patchSetIdB, final String revisionB, final String fileB) {
return FluentIterable
.from(diffLinks)
.transform(new Function() {
@Override
public DiffWebLinkInfo apply(WebLink webLink) {
return ((DiffWebLink) webLink).getDiffLink(project, changeId,
patchSetIdA, revisionA, fileA,
patchSetIdB, revisionB, fileB);
}
})
.filter(INVALID_WEBLINK);
}
/**
*
* @param project Project name.
* @return Links for projects.
*/
public FluentIterable getProjectLinks(final String project) {
return filterLinks(projectLinks, new Function() {
@Override
public WebLinkInfo apply(WebLink webLink) {
return ((ProjectWebLink)webLink).getProjectWeblink(project);
}
});
}
/**
*
* @param project Project name
* @param branch Branch name
* @return Links for branches.
*/
public FluentIterable getBranchLinks(final String project, final String branch) {
return filterLinks(branchLinks, new Function() {
@Override
public WebLinkInfo apply(WebLink webLink) {
return ((BranchWebLink)webLink).getBranchWebLink(project, branch);
}
});
}
private FluentIterable filterLinks(DynamicSet links,
Function transformer) {
return FluentIterable
.from(links)
.transform(transformer)
.filter(INVALID_WEBLINK);
}
}
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