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OomphConvention.java
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OomphConvention.java
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/*
* Copyright (C) 2015-2019 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
*
* https://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.gradle.oomph;
import java.util.Arrays;
import java.util.function.Function;
import org.gradle.api.Action;
/**
* Base class for implementing a DSL
* around a specific part of the IDE.
*/
public class OomphConvention implements AutoCloseable {
protected final OomphIdeExtension extension;
protected OomphConvention(OomphIdeExtension extension) {
this.extension = extension;
}
/** Ensures the p2 model contains the given IUs. */
protected void requireIUs(String... ius) {
for (String iu : ius) {
extension.getP2().addIU(iu);
}
}
/**
* Sets the perspective to the first value, if the existing value is one of the other values.
*
* This allows a consistent mechanism for PDE to trump JDT.
*/
protected void setPerspectiveOver(String toSet, String... toTrump) {
if (Arrays.asList(toTrump).contains(extension.perspective)) {
extension.perspective(toSet);
}
}
/**
* This is called when the convention block ends.
*
* Usually it can just be empty, but if you've been accumulating
* values, this is your chance to smush them down into
* a setup action (see {@link ConventionJdt}.
*/
@Override
public void close() {}
/** Convenience method for configuring the IDE. */
public static <T extends OomphConvention> void configure(Function<OomphIdeExtension, T> constructor, OomphIdeExtension extension, Action<T> action) {
try (T convention = constructor.apply(extension)) {
action.execute(convention);
}
}
}