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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2017 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.vid.asdc.beans.tosca;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import org.openecomp.vid.asdc.AsdcCatalogException;
/**
* The Class ToscaMeta.
*/
public class ToscaMeta {
/** The metadata. */
private final Map<String, String> metadata;
/**
* Instantiates a new tosca meta.
*
* @param builder the builder
* @throws IOException Signals that an I/O exception has occurred.
* @throws AsdcCatalogException the asdc catalog exception
*/
private ToscaMeta(Builder builder) throws IOException, AsdcCatalogException {
metadata = new HashMap<String, String> ();
read(builder.inputStream);
}
/**
* The Class Builder.
*/
public static class Builder {
/** The input stream. */
private final InputStream inputStream;
/**
* Instantiates a new builder.
*
* @param inputStream the input stream
*/
public Builder(InputStream inputStream) {
this.inputStream = inputStream;
}
/**
* Builds the.
*
* @return the tosca meta
* @throws IOException Signals that an I/O exception has occurred.
* @throws AsdcCatalogException the asdc catalog exception
*/
public ToscaMeta build() throws IOException, AsdcCatalogException {
return new ToscaMeta(this);
}
}
/**
* Gets the.
*
* @param property the property
* @return the string
*/
public String get(String property) {
return metadata.get(property);
}
/**
* Read.
*
* @param inputStream the input stream
* @throws IOException Signals that an I/O exception has occurred.
* @throws AsdcCatalogException the asdc catalog exception
*/
private void read(InputStream inputStream) throws IOException, AsdcCatalogException {
final BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
String line;
try {
while ((line = br.readLine()) != null) {
final String[] entry = line.split(":");
if (entry.length != 2) throw new AsdcCatalogException("TOSCA.meta file cannot be parsed (more than 1 colon found on a single line");
if (!entry[1].startsWith(" ")) throw new AsdcCatalogException("TOSCA.meta file cannot be parsed (: not immediately followed by ' ')");
metadata.put(entry[0], entry[1].substring(1));
}
} catch (IOException e) {
metadata.clear();
throw e;
} catch (AsdcCatalogException e) {
metadata.clear();
throw e;
}
}
}
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