/
ReplaceRegexStep.java
53 lines (45 loc) · 1.69 KB
/
ReplaceRegexStep.java
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/*
* Copyright 2016 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.github.autostyle.generic;
import com.github.autostyle.FormatterFunc;
import com.github.autostyle.FormatterStep;
import java.io.Serializable;
import java.util.Objects;
import java.util.regex.Pattern;
public final class ReplaceRegexStep {
// prevent direct instantiation
private ReplaceRegexStep() {}
public static FormatterStep create(String name, String regex, String replacement) {
Objects.requireNonNull(name, "name");
Objects.requireNonNull(regex, "regex");
Objects.requireNonNull(replacement, "replacement");
return FormatterStep.createLazy(name,
() -> new State(Pattern.compile(regex, Pattern.UNIX_LINES | Pattern.MULTILINE), replacement),
State::toFormatter);
}
private static final class State implements Serializable {
private static final long serialVersionUID = 1L;
private final Pattern regex;
private final String replacement;
State(Pattern regex, String replacement) {
this.regex = regex;
this.replacement = replacement;
}
FormatterFunc toFormatter() {
return raw -> regex.matcher(raw).replaceAll(replacement);
}
}
}