org.springframework.aot.generate.AppendableConsumerInputStreamSource Maven / Gradle / Ivy
/*
* Copyright 2002-2022 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
*
* 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 org.springframework.aot.generate;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import org.springframework.core.io.InputStreamSource;
import org.springframework.util.function.ThrowingConsumer;
/**
* Adapter class to convert a {@link ThrowingConsumer} of {@link Appendable} to
* an {@link InputStreamSource}.
*
* @author Phillip Webb
* @since 6.0
*/
class AppendableConsumerInputStreamSource implements InputStreamSource {
private final ThrowingConsumer content;
AppendableConsumerInputStreamSource(ThrowingConsumer content) {
this.content = content;
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(toString().getBytes(StandardCharsets.UTF_8));
}
@Override
public String toString() {
StringBuilder buffer = new StringBuilder();
this.content.accept(buffer);
return buffer.toString();
}
}