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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2018 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.tosca.csar;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import java.util.Optional;
import org.openecomp.sdc.common.errors.Messages;
import org.openecomp.sdc.datatypes.error.ErrorLevel;
import org.openecomp.sdc.datatypes.error.ErrorMessage;
import java.io.InputStream;
import java.io.IOException;
import org.apache.commons.io.IOUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder.getErrorWithParameters;
import static org.openecomp.sdc.tosca.csar.ManifestTokenType.ATTRIBUTE_VALUE_SEPARATOR;
import static org.openecomp.sdc.tosca.csar.ToscaMetaEntry.ENTRY_DEFINITIONS;
public class OnboardingToscaMetadata implements ToscaMetadata {
private Map<String, String> metaEntries;
private List<ErrorMessage> errors;
private OnboardingToscaMetadata(){
metaEntries = new HashMap<>();
errors = new ArrayList<>();
}
/**
* Method parses input stream of meta file, only block_0 is parsed, the rest of metadata ignored
* @param st meta file input stream
* @return OnboardingToscaMetadata instance
* @throws IOException
*/
public static ToscaMetadata parseToscaMetadataFile(InputStream st) throws IOException {
if(st == null) {
throw new IOException(Messages.METADATA_PARSER_INTERNAL.getErrorMessage());
}
OnboardingToscaMetadata meta = new OnboardingToscaMetadata();
List<String> metadataLines = IOUtils.readLines(st, "utf-8");
for (String line : metadataLines) {
line = line.trim();
if (line.isEmpty()) {
return meta;
}
String[] entry = line.split(ATTRIBUTE_VALUE_SEPARATOR.getToken());
//No empty keys allowed, no empty values allowed
if (entry.length < 2 || entry[0].isEmpty()) {
meta.errors.add(new ErrorMessage(ErrorLevel.ERROR, getErrorWithParameters(
Messages.METADATA_INVALID_ENTRY_DEFINITIONS.getErrorMessage(), line)));
//want to get all error lines in meta file block_0, no breaking loop
} else {
meta.metaEntries.put(entry[0].trim(), entry[1].trim());
}
}
if (!meta.metaEntries.containsKey(ENTRY_DEFINITIONS.getName())) {
meta.errors.add(new ErrorMessage(ErrorLevel.ERROR, getErrorWithParameters(
Messages.METADATA_NO_ENTRY_DEFINITIONS.getErrorMessage())));
}
return meta;
}
@Override public boolean isValid(){
return errors.isEmpty();
}
@Override
public List<ErrorMessage> getErrors() {
return ImmutableList.copyOf(errors);
}
@Override
public Map<String, String> getMetaEntries() {
if (!isValid()){
return Collections.emptyMap();
}
return ImmutableMap.copyOf(metaEntries);
}
@Override
public boolean hasEntry(final String entry) {
return metaEntries.containsKey(entry);
}
@Override
public Optional<String> getEntry(final ToscaMetaEntry entry) {
return Optional.ofNullable(metaEntries.get(entry.getName()));
}
}
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