net.oneandone.stool.cli.Import Maven / Gradle / Ivy
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Stool's main component. Java Library, cli, setup code.
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/*
* Copyright 1&1 Internet AG, https://github.com/1and1/
*
* 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 net.oneandone.stool.cli;
import net.oneandone.inline.ArgumentException;
import net.oneandone.stool.locking.Mode;
import net.oneandone.stool.stage.Stage;
import net.oneandone.stool.util.Session;
import net.oneandone.sushi.fs.file.FileNode;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class Import extends SessionCommand {
private int max;
private String nameTemplate;
private final List includes;
private final List excludes;
private String upgradeId;
public Import(Session session) {
super(session, Mode.EXCLUSIVE);
includes = new ArrayList<>();
excludes = new ArrayList<>();
max = 40;
nameTemplate = "%d";
}
public void setUpgradeId(String id) {
upgradeId = id;
}
public void setMax(int max) {
this.max = max;
}
public void setName(String name) {
this.nameTemplate = name;
}
public void dirs(String directory) {
boolean exclude;
FileNode node;
exclude = directory.startsWith("^");
if (exclude) {
directory = directory.substring(1);
}
node = world.file(directory);
if (!node.isDirectory()) {
throw new ArgumentException("no such directory: " + node.getAbsolute());
}
(exclude ? excludes : includes).add(node);
}
@Override
public void doRun() throws IOException {
List found;
List existing;
Stage stage;
found = new ArrayList<>();
if (includes.size() == 0) {
includes.add(world.getWorking());
}
existing = session.stageDirectories();
for (FileNode directory : includes) {
scan(directory, found, existing);
}
console.info.print("[" + found.size() + " candidates]\u001b[K\r");
console.info.println();
if (upgradeId != null && found.size() != 1) {
throw new IOException("upgrade import failed: " + found.size());
}
switch (found.size()) {
case 0:
console.info.println("No stage candidates found.");
break;
case 1:
stage = found.get(0);
console.info.println("Importing " + stage.getDirectory());
doImport(stage, null);
session.cd(stage.getDirectory());
break;
default:
interactiveImport(found);
break;
}
}
private void interactiveImport(List candidates) {
Stage candidate;
String str;
int n;
int idx;
String name;
while (true) {
if (candidates.size() == 0) {
console.info.println("Done - no more stage candidates");
return;
}
for (int i = 0; i < candidates.size(); i++) {
candidate = candidates.get(i);
console.info.println("[" + (i + 1) + "] " + candidate.getDirectory() + "\t" + candidate.getOrigin());
}
console.info.println("[ ] to import with the specified name");
console.info.println("[a] all of the above");
console.info.println("[q] quit - none of the above");
str = console.readline("Please select: ").toLowerCase().trim();
switch (str) {
case "q":
return;
case "a":
for (Stage f : new ArrayList<>(candidates)) {
importEntry(candidates, f, null);
}
break;
default:
idx = str.indexOf(' ');
if (idx != -1) {
name = str.substring(idx + 1).trim();
str = str.substring(0, idx);
} else {
name = null;
}
try {
n = Integer.parseInt(str) - 1;
} catch (NumberFormatException e) {
console.info.println("invalid input: " + str);
continue;
}
importEntry(candidates, candidates.get(n), name);
break;
}
}
}
private void importEntry(List candidates, Stage candidate, String forceName) {
try {
doImport(candidate, forceName);
candidates.remove(candidate);
console.info.println("imported: " + candidate.getName());
} catch (IOException e) {
console.info.println(candidate.getDirectory() + ": import failed: " + e.getMessage());
e.printStackTrace(console.verbose);
}
}
private void scan(FileNode parent, List result, List existingStages) throws IOException {
String url;
Stage stage;
console.info.print("[" + result.size() + " candidates] scanning " + parent + " ...\u001b[K\r");
console.info.flush();
if (!parent.isDirectory()) {
return;
}
if (excludes.contains(parent)) {
return;
}
if (parent.getName().startsWith(".")) {
return;
}
if (existingStages.contains(parent)) {
// already imported
return;
}
url = Stage.probe(parent);
if (url == null) {
if (!parent.join("pom.xml").isFile()) {
for (FileNode child : parent.list()) {
scan(child, result, existingStages);
if (result.size() >= max) {
break;
}
}
}
} else {
stage = Stage.createOpt(session, upgradeId == null ? session.nextStageId() : upgradeId,
url, session.createStageConfiguration(url), parent);
if (stage == null) {
throw new IllegalStateException(parent + " " + url);
}
result.add(stage);
if (result.size() >= max) {
console.info.println("\n\nScan stopped - max number of import projects reached: " + max);
}
}
}
private void doImport(Stage stage, String forceName) throws IOException {
FileNode directory;
FileNode backstage;
String name;
directory = stage.getDirectory();
name = forceName != null ? forceName : name(directory);
backstage = Stage.backstageDirectory(directory);
if (backstage.exists()) {
console.info.println("re-using " + backstage);
} else {
backstage.mkdir();
stage.config().name = name;
stage.tuneConfiguration();
stage.initialize();
}
stage.modify();
session.add(stage.backstage, stage.getId());
session.logging.setStage(stage.getId(), stage.getName());
console.info.println("stage imported: " + stage.getName());
}
private String name(FileNode directory) {
return nameTemplate.replace("%d", directory.getName());
}
}