diff options
Diffstat (limited to 'vid-app-common/src/main/java/org/onap/vid/asdc/beans/tosca/ToscaMeta.java')
-rw-r--r-- | vid-app-common/src/main/java/org/onap/vid/asdc/beans/tosca/ToscaMeta.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/vid-app-common/src/main/java/org/onap/vid/asdc/beans/tosca/ToscaMeta.java b/vid-app-common/src/main/java/org/onap/vid/asdc/beans/tosca/ToscaMeta.java new file mode 100644 index 00000000..a7a6c629 --- /dev/null +++ b/vid-app-common/src/main/java/org/onap/vid/asdc/beans/tosca/ToscaMeta.java @@ -0,0 +1,124 @@ +/*- + * ============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.onap.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.onap.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) { + if ( line.length() > 0 ) { + 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; + } + } +} |