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GrEclipseFormatterStep.java
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GrEclipseFormatterStep.java
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/*
* Copyright 2016-2023 DiffPlug
*
* 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.diffplug.spotless.extra.groovy;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.Properties;
import com.diffplug.spotless.FormatterFunc;
import com.diffplug.spotless.Jvm;
import com.diffplug.spotless.Provisioner;
import com.diffplug.spotless.extra.EquoBasedStepBuilder;
import dev.equo.solstice.p2.P2Model;
/** Formatter step which calls out to the Groovy-Eclipse formatter. */
public final class GrEclipseFormatterStep {
// prevent direct instantiation
private GrEclipseFormatterStep() {}
private static final String NAME = "eclipse groovy formatter";
private static final Jvm.Support<String> JVM_SUPPORT = Jvm.<String> support(NAME).add(11, "4.26").add(17, "4.29");
public static String defaultVersion() {
return JVM_SUPPORT.getRecommendedFormatterVersion();
}
public static EquoBasedStepBuilder createBuilder(Provisioner provisioner) {
return new EquoBasedStepBuilder(NAME, provisioner, defaultVersion(), GrEclipseFormatterStep::apply) {
@Override
protected P2Model model(String version) {
if (!version.startsWith("4.")) {
throw new IllegalArgumentException("Expected version 4.x");
}
int eVersion = Integer.parseInt(version.substring("4.".length()));
if (eVersion < 8) {
throw new IllegalArgumentException("4.8 is the oldest version we support, this was " + version);
}
String greclipseVersion;
if (eVersion >= 28) {
greclipseVersion = "5." + (eVersion - 28) + ".0";
} else if (eVersion >= 18) {
greclipseVersion = "4." + (eVersion - 18) + ".0";
} else {
greclipseVersion = "3." + (eVersion - 8) + ".0";
}
var model = new P2Model();
addPlatformRepo(model, version);
model.addP2Repo("https://groovy.jfrog.io/artifactory/plugins-release/org/codehaus/groovy/groovy-eclipse-integration/" + greclipseVersion + "/e" + version + "/");
model.getInstall().addAll(List.of(
"org.codehaus.groovy.eclipse.refactoring",
"org.codehaus.groovy.eclipse.core",
"org.eclipse.jdt.groovy.core",
"org.codehaus.groovy"));
model.addFilterAndValidate("no-debug", filter -> {
filter.exclude("org.eclipse.jdt.debug");
});
return model;
}
@Override
public void setVersion(String version) {
if (version.endsWith(".0")) {
String newVersion = version.substring(0, version.length() - 2);
System.err.println("Recommend replacing '" + version + "' with '" + newVersion + "' for eclipse JDT");
version = newVersion;
}
super.setVersion(version);
}
};
}
private static FormatterFunc apply(EquoBasedStepBuilder.State state) throws Exception {
JVM_SUPPORT.assertFormatterSupported(state.getSemanticVersion());
Class<?> formatterClazz = state.getJarState().getClassLoader().loadClass("com.diffplug.spotless.extra.glue.groovy.GrEclipseFormatterStepImpl");
var formatter = formatterClazz.getConstructor(Properties.class).newInstance(state.getPreferences());
var method = formatterClazz.getMethod("format", String.class);
return JVM_SUPPORT.suggestLaterVersionOnError(state.getSemanticVersion(),
input -> {
try {
return (String) method.invoke(formatter, input);
} catch (InvocationTargetException exceptionWrapper) {
Throwable throwable = exceptionWrapper.getTargetException();
Exception exception = (throwable instanceof Exception) ? (Exception) throwable : null;
throw (null == exception) ? exceptionWrapper : exception;
}
});
}
}