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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.tosca;
import io.vavr.control.Try;
import java.util.function.Function;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* ZipWriter abstracts the Zip file writing logic.
*/
public interface ZipWriter {
/**
* Builds a ZipWriter that outputs the data on a {@link java.util.zip.ZipOutputStream}
*
* @param zos the target {@link java.util.zip.ZipOutputStream}
*/
static ZipWriter live(ZipOutputStream zos) {
return (entryName, payload) -> Try.of(() -> {
zos.putNextEntry(new ZipEntry(entryName));
zos.write(payload);
// We can return null as a Void is expected;
return null;
});
}
/**
* Writes an entry provided with its name and its payload
*
* @param entryName The entry's name to use in the zip file
* @param payload The payload to write for this entry
*/
Try<Void> write(String entryName, byte[] payload);
/**
* Writes an entry provided with its name and its payload
*
* @param entryName The entry's name to use in the zip file
* @param payload The payload to write for this entry
*/
default Try<Void> write(String entryName, String payload) {
return write(entryName, payload.getBytes());
}
/**
* Alias for {@link org.openecomp.sdc.be.tosca.ZipWriter}
*
* @param entryName The entry's name to use in the zip file
*/
default Function<String, Try<Void>> writeString(String entryName) {
return payload -> write(entryName, payload.getBytes());
}
default Function<byte[], Try<Void>> write(String entryName) {
return payload -> write(entryName, payload);
}
}
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