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feat: support "-v/--version" to get version of casbin-java-cli (#28)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| // Copyright 2024 The casbin Authors. 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. | ||
|
|
||
| package org.casbin.util; | ||
|
|
||
| import org.xml.sax.helpers.DefaultHandler; | ||
| import org.xml.sax.*; | ||
|
|
||
| /*** | ||
| * A custom handler for parsing XML dependencies (POM file format) using SAX (Simple API for XML). | ||
| * This handler looks for a specific dependency identified by the group ID and artifact ID, | ||
| * and extracts its version information. | ||
| */ | ||
| public class DependencyHandler extends DefaultHandler { | ||
| private final String targetGroupId; | ||
| private final String targetArtifactId; | ||
| private String currentElement; | ||
| private String currentGroupId; | ||
| private String currentArtifactId; | ||
| private String currentVersion; | ||
| private String dependencyVersion; | ||
|
|
||
| /** | ||
| * Constructor to initialize the handler with the target groupId and artifactId. | ||
| * | ||
| * @param groupId The groupId of the dependency to search for. | ||
| * @param artifactId The artifactId of the dependency to search for. | ||
| */ | ||
| public DependencyHandler(String groupId, String artifactId) { | ||
| this.targetGroupId = groupId; | ||
| this.targetArtifactId = artifactId; | ||
| } | ||
|
|
||
| /** | ||
| * Called when a new element is encountered during the XML parsing. | ||
| * | ||
| * @param uri The namespace URI (if any). | ||
| * @param localName The local name of the element. | ||
| * @param qName The qualified name of the element. | ||
| * @param attributes The attributes of the element. | ||
| */ | ||
| @Override | ||
| public void startElement(String uri, String localName, String qName, Attributes attributes) { | ||
| currentElement = qName; | ||
| if ("dependency".equals(currentElement)) { | ||
| currentGroupId = null; | ||
| currentArtifactId = null; | ||
| currentVersion = null; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Called when the end of an element is reached during XML parsing. | ||
| * | ||
| * @param uri The namespace URI (if any). | ||
| * @param localName The local name of the element. | ||
| * @param qName The qualified name of the element. | ||
| */ | ||
| @Override | ||
| public void endElement(String uri, String localName, String qName) { | ||
| if ("dependency".equals(qName)) { | ||
| if (targetGroupId.equals(currentGroupId) && targetArtifactId.equals(currentArtifactId)) { | ||
| dependencyVersion = currentVersion; | ||
| } | ||
| } | ||
| currentElement = null; | ||
| } | ||
|
|
||
| /** | ||
| * Called to process the character data inside an element during XML parsing. | ||
| * | ||
| * @param ch The character array containing the text. | ||
| * @param start The start index of the text. | ||
| * @param length The length of the text. | ||
| */ | ||
| @Override | ||
| public void characters(char[] ch, int start, int length) { | ||
| String content = new String(ch, start, length).trim(); | ||
| if (content.isEmpty()) { | ||
| return; | ||
| } | ||
|
|
||
| if ("groupId".equals(currentElement)) { | ||
| currentGroupId = content; | ||
| } else if ("artifactId".equals(currentElement)) { | ||
| currentArtifactId = content; | ||
| } else if ("version".equals(currentElement)) { | ||
| currentVersion = content; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Returns the version of the dependency if found, otherwise returns "Unknown". | ||
| * | ||
| * @return The version of the target dependency. | ||
| */ | ||
| public String getDependencyVersion() { | ||
| return dependencyVersion != null ? dependencyVersion : "Unknown"; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // Copyright 2024 The casbin Authors. 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. | ||
|
|
||
| package org.casbin.util; | ||
|
|
||
| import org.casbin.Client; | ||
| import org.xml.sax.SAXException; | ||
|
|
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| import javax.xml.parsers.ParserConfigurationException; | ||
| import javax.xml.parsers.SAXParser; | ||
| import javax.xml.parsers.SAXParserFactory; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.Properties; | ||
|
|
||
| /*** | ||
| * Utility class for retrieving version-related information. | ||
| */ | ||
| public class VersionUtil { | ||
|
|
||
| /** | ||
| * Retrieves Cli version information. | ||
| * | ||
| * @return The Cli version info as a string (commit ID or tag name). | ||
| * @throws IOException If an error occurs while reading the git.properties file. | ||
| */ | ||
| public static String getCliVersion() throws IOException { | ||
| Properties properties = new Properties(); | ||
| InputStream input = Client.class.getResourceAsStream("/META-INF/git.properties"); | ||
| if (input != null) { | ||
| properties.load(input); | ||
| } | ||
|
|
||
| if (properties.isEmpty()) { | ||
| throw new IOException("Git properties not found!"); | ||
| } | ||
|
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| String commitId = properties.getProperty("git.commit.id.abbrev", "Unknown"); | ||
| String tag = properties.getProperty("git.closest.tag.name", "Unknown"); | ||
| String commitCount = properties.getProperty("git.closest.tag.commit.count", "Unknown"); | ||
|
|
||
| if(tag.isEmpty()) { | ||
| tag = properties.getProperty("git.tags", "Unknown"); | ||
| } | ||
| if (commitCount.isEmpty()) { | ||
| return tag; | ||
| } | ||
| return commitId; | ||
| } | ||
|
|
||
| /** | ||
| * Retrieves Casbin version information. | ||
| * | ||
| * @param groupId The group ID of the dependency to search for. | ||
| * @param artifactId The artifact ID of the dependency to search for. | ||
| * @return The version of the specified dependency, or "Unknown" if not found. | ||
| * @throws ParserConfigurationException If a configuration error occurs during parsing. | ||
| * @throws SAXException If a SAX error occurs during parsing. | ||
| * @throws IOException If an error occurs while reading the POM file. | ||
| */ | ||
| public static String getCasbinVersion(String groupId, String artifactId) throws ParserConfigurationException, SAXException, IOException { | ||
| InputStream inputStream = Client.class.getResourceAsStream("/META-INF/pom.xml"); | ||
| if (inputStream == null) { | ||
| throw new IOException("POM file not found!"); | ||
| } | ||
|
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| SAXParserFactory factory = SAXParserFactory.newInstance(); | ||
| SAXParser parser = factory.newSAXParser(); | ||
| DependencyHandler handler = new DependencyHandler(groupId, artifactId); | ||
| parser.parse(inputStream, handler); | ||
|
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| return handler.getDependencyVersion(); | ||
| } | ||
| } |