gradle-master/subprojects/base-services/src/main/java/org/gradle/internal/io/WriterTextStream.java
/*
 * Copyright 2016 the original author or authors.
 *
 * 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 org.gradle.internal.io;

import org.gradle.internal.UncheckedException;

import javax.annotation.Nullable;
import java.io.IOException;
import java.io.Writer;

public class WriterTextStream implements TextStream {
    private final Writer delegate;

    public WriterTextStream(Writer delegate) {
        this.delegate = delegate;
    }

    @Override
    public void text(String text) {
        try {
            delegate.write(text);
        } catch (IOException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    @Override
    public void endOfStream(@Nullable Throwable failure) {
        try {
            delegate.close();
        } catch (IOException e) {
            if (failure == null) {
                throw UncheckedException.throwAsUncheckedException(e);
            }
        }
        if (failure != null) {
            throw UncheckedException.throwAsUncheckedException(failure);
        }
    }
}
