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Posted to commits@camel.apache.org by da...@apache.org on 2017/02/14 18:20:19 UTC
[3/4] camel git commit: CAMEL-10828: camel-catalog-nexus - Initial
work
CAMEL-10828: camel-catalog-nexus - Initial work
Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/a54d2cca
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/a54d2cca
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/a54d2cca
Branch: refs/heads/master
Commit: a54d2cca6589d751596121e3197bcc910c97ddb3
Parents: bb25ff8
Author: Claus Ibsen <da...@apache.org>
Authored: Tue Feb 14 14:41:27 2017 +0100
Committer: Claus Ibsen <da...@apache.org>
Committed: Tue Feb 14 19:11:59 2017 +0100
----------------------------------------------------------------------
platforms/catalog-nexus/pom.xml | 93 ++++++++
.../catalog/nexus/BaseNexusRepository.java | 233 +++++++++++++++++++
.../camel/catalog/nexus/NexusArtifactDto.java | 111 +++++++++
.../camel/catalog/nexus/NexusRepository.java | 35 +++
.../src/main/resources/META-INF/LICENSE.txt | 203 ++++++++++++++++
.../src/main/resources/META-INF/NOTICE.txt | 11 +
platforms/pom.xml | 1 +
7 files changed, 687 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/catalog-nexus/pom.xml
----------------------------------------------------------------------
diff --git a/platforms/catalog-nexus/pom.xml b/platforms/catalog-nexus/pom.xml
new file mode 100644
index 0000000..97d7d61
--- /dev/null
+++ b/platforms/catalog-nexus/pom.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You 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.
+ -->
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>platforms</artifactId>
+ <version>2.19.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-catalog-nexus</artifactId>
+ <packaging>jar</packaging>
+ <name>Camel :: Platforms :: Catalog :: Nexus</name>
+ <description>Camel Catalog Nexus</description>
+
+ <properties>
+ <camel.osgi.export.pkg>
+ org.apache.camel.catalog.nexus
+ </camel.osgi.export.pkg>
+ </properties>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-catalog</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ </dependency>
+
+ <!-- testing -->
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-catalog-provider-springboot</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ <scope>test</scope>
+ </dependency>
+
+
+ </dependencies>
+
+ <build>
+ <plugins>
+
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ </plugin>
+ </plugins>
+
+ </build>
+
+</project>
http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/BaseNexusRepository.java
----------------------------------------------------------------------
diff --git a/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/BaseNexusRepository.java b/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/BaseNexusRepository.java
new file mode 100644
index 0000000..88e5a0c
--- /dev/null
+++ b/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/BaseNexusRepository.java
@@ -0,0 +1,233 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.camel.catalog.nexus;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathFactory;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public abstract class BaseNexusRepository {
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ private final Set<NexusArtifactDto> indexedArtifacts = new LinkedHashSet<>();
+
+ private volatile ScheduledExecutorService executorService;
+ private AtomicBoolean started = new AtomicBoolean();
+
+ private Long delay = 60L; // use 60 second delay between index runs
+ private String nexusUrl = "http://nexus/service/local/data_index";
+ private String classifier = "component";
+
+ public String getNexusUrl() {
+ return nexusUrl;
+ }
+
+ /**
+ * The URL to the Nexus repository to query. The syntax should be <tt>http://nexus/service/local/data_index</tt>, where
+ * nexus is the hostname.
+ */
+ public void setNexusUrl(String nexusUrl) {
+ this.nexusUrl = nexusUrl;
+ }
+
+ public Long getDelay() {
+ return delay;
+ }
+
+ /**
+ * Delay in seconds between scanning.
+ */
+ public void setDelay(Long delay) {
+ this.delay = delay;
+ }
+
+ public String getClassifier() {
+ return classifier;
+ }
+
+ /**
+ * Classifier to index. Should be either <tt>component</tt>, or <tt>connector</tt>
+ */
+ public void setClassifier(String classifier) {
+ this.classifier = classifier;
+ }
+
+ /**
+ * Starts the Nexus indexer.
+ */
+ public void start() {
+ if (started.compareAndSet(false, true)) {
+ log.info("NexusRepository is already started");
+ return;
+ }
+
+ log.info("Starting NexusRepository");
+
+ if (nexusUrl == null || nexusUrl.isEmpty()) {
+ log.warn("Nexus service not found. Indexing Nexus is not enabled!");
+ return;
+ }
+
+ log.info("Indexing Nexus every {} seconds interval", delay);
+ executorService = Executors.newScheduledThreadPool(1);
+
+ executorService.scheduleWithFixedDelay(() -> {
+ try {
+ log.debug("Indexing Nexus {} +++ start +++", nexusUrl);
+ indexNexus();
+ } catch (Throwable e) {
+ if (e.getMessage().contains("UnknownHostException")) {
+ // less noise if its unknown host
+ log.warn("Error indexing Nexus " + nexusUrl + " due unknown hosts: " + e.getMessage());
+ } else {
+ log.warn("Error indexing Nexus " + nexusUrl + " due " + e.getMessage(), e);
+ }
+ } finally {
+ log.debug("Indexing Nexus {} +++ end +++", nexusUrl);
+ }
+ }, 10, delay, TimeUnit.SECONDS);
+ }
+
+ /**
+ * Stops the Nexus indexer.
+ */
+ public void stop() {
+ log.info("Stopping NexusRepository");
+ if (executorService != null) {
+ executorService.shutdownNow();
+ executorService = null;
+ }
+ indexedArtifacts.clear();
+
+ started.set(false);
+ }
+
+ /**
+ * Callback when new artifacts has been discovered in Nexus
+ */
+ abstract void onNewArtifacts(Set<NexusArtifactDto> newArtifacts);
+
+ /**
+ * Runs the task to index nexus for new artifacts
+ */
+ protected void indexNexus() throws Exception {
+ // must have q parameter so use component to find all component
+ String query = nexusUrl + "?q=" + getClassifier();
+ URL url = new URL(query);
+
+ DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+ factory.setNamespaceAware(true);
+ factory.setIgnoringElementContentWhitespace(true);
+ factory.setIgnoringComments(true);
+
+ DocumentBuilder documentBuilder = factory.newDocumentBuilder();
+
+ InputStream is = url.openStream();
+ try {
+ Document dom = documentBuilder.parse(is);
+
+ XPathFactory xpFactory = XPathFactory.newInstance();
+ XPath exp = xpFactory.newXPath();
+ // TODO: we dont have classifier for components
+ NodeList list = (NodeList) exp.evaluate("//classifier[text() = '" + getClassifier() + "']", dom, XPathConstants.NODESET);
+
+ Set<NexusArtifactDto> newArtifacts = new LinkedHashSet<>();
+ for (int i = 0; i < list.getLength(); i++) {
+ Node node = list.item(i);
+ Node parent = node.getParentNode();
+
+ String g = getNodeText(parent.getChildNodes(), "groupId");
+ String a = getNodeText(parent.getChildNodes(), "artifactId");
+ String v = getNodeText(parent.getChildNodes(), "version");
+ String l = getNodeText(parent.getChildNodes(), "artifactLink");
+
+ if (g != null & a != null & v != null & l != null) {
+ NexusArtifactDto dto = new NexusArtifactDto();
+ dto.setGroupId(g);
+ dto.setArtifactId(a);
+ dto.setVersion(v);
+ dto.setArtifactLink(l);
+
+ log.debug("Found: {}:{}:{}", dto.getGroupId(), dto.getArtifactId(), dto.getVersion());
+
+ // is it a new artifact
+ boolean newArtifact = true;
+ for (NexusArtifactDto existing : indexedArtifacts) {
+ if (existing.getGroupId().equals(dto.getGroupId())
+ && existing.getArtifactId().equals(dto.getArtifactId())
+ && existing.getVersion().equals(dto.getVersion())) {
+ newArtifact = false;
+ break;
+ }
+ }
+ if (newArtifact) {
+ newArtifacts.add(dto);
+ }
+ }
+ }
+
+ // if there is any new artifacts then process them
+ if (!newArtifacts.isEmpty()) {
+ onNewArtifacts(newArtifacts);
+ }
+ } finally {
+ close(is);
+ }
+ }
+
+ private static String getNodeText(NodeList list, String name) {
+ for (int i = 0; i < list.getLength(); i++) {
+ Node child = list.item(i);
+ if (name.equals(child.getNodeName())) {
+ return child.getTextContent();
+ }
+ }
+ return null;
+ }
+
+ private static void close(Closeable... closeables) {
+ for (Closeable c : closeables) {
+ try {
+ if (c != null) {
+ c.close();
+ }
+ } catch (IOException e) {
+ // ignore
+ }
+ }
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusArtifactDto.java
----------------------------------------------------------------------
diff --git a/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusArtifactDto.java b/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusArtifactDto.java
new file mode 100644
index 0000000..21f11e8
--- /dev/null
+++ b/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusArtifactDto.java
@@ -0,0 +1,111 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.camel.catalog.nexus;
+
+import java.io.Serializable;
+
+/**
+ * Represents a Maven artifact from the Nexus repository.
+ */
+public class NexusArtifactDto implements Serializable {
+
+ private String groupId;
+ private String artifactId;
+ private String version;
+ private String artifactLink;
+
+ public NexusArtifactDto() {
+ }
+
+ public NexusArtifactDto(String groupId, String artifactId, String version, String artifactLink) {
+ this.groupId = groupId;
+ this.artifactId = artifactId;
+ this.version = version;
+ this.artifactLink = artifactLink;
+ }
+
+ public String getGroupId() {
+ return groupId;
+ }
+
+ public void setGroupId(String groupId) {
+ this.groupId = groupId;
+ }
+
+ public String getArtifactId() {
+ return artifactId;
+ }
+
+ public void setArtifactId(String artifactId) {
+ this.artifactId = artifactId;
+ }
+
+ public String getVersion() {
+ return version;
+ }
+
+ public void setVersion(String version) {
+ this.version = version;
+ }
+
+ public String getArtifactLink() {
+ return artifactLink;
+ }
+
+ public void setArtifactLink(String artifactLink) {
+ this.artifactLink = artifactLink;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ // use gav for equals/hashCode
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ NexusArtifactDto that = (NexusArtifactDto) o;
+
+ if (!groupId.equals(that.groupId)) {
+ return false;
+ }
+ if (!artifactId.equals(that.artifactId)) {
+ return false;
+ }
+ return version.equals(that.version);
+ }
+
+ @Override
+ public int hashCode() {
+ int result = groupId.hashCode();
+ result = 31 * result + artifactId.hashCode();
+ result = 31 * result + version.hashCode();
+ return result;
+ }
+
+ @Override
+ public String toString() {
+ return "NexusArtifactDto[" +
+ "groupId='" + groupId + '\'' +
+ ", artifactId='" + artifactId + '\'' +
+ ", version='" + version + '\'' +
+ ", artifactLink='" + artifactLink + '\'' +
+ ']';
+ }
+}
http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusRepository.java
----------------------------------------------------------------------
diff --git a/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusRepository.java b/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusRepository.java
new file mode 100644
index 0000000..153df3a
--- /dev/null
+++ b/platforms/catalog-nexus/src/main/java/org/apache/camel/catalog/nexus/NexusRepository.java
@@ -0,0 +1,35 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.apache.camel.catalog.nexus;
+
+import java.util.List;
+
+/**
+ * Nexus repository
+ */
+public interface NexusRepository {
+
+ /**
+ * Search for new artifacts in the Nexus repository.
+ *
+ * @param filter the filter artifacts
+ * @param latestVersionOnly to only include the latest version of a given Maven <tt>groupId:artifactId</tt>
+ * @return the found artifacts
+ */
+ List<NexusArtifactDto> searchArtifacts(String filter, boolean latestVersionOnly);
+
+}
http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/catalog-nexus/src/main/resources/META-INF/LICENSE.txt
----------------------------------------------------------------------
diff --git a/platforms/catalog-nexus/src/main/resources/META-INF/LICENSE.txt b/platforms/catalog-nexus/src/main/resources/META-INF/LICENSE.txt
new file mode 100755
index 0000000..6b0b127
--- /dev/null
+++ b/platforms/catalog-nexus/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,203 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
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+
+ "You" (or "Your") shall mean an individual or Legal Entity
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+ the original version of the Work and any modifications or additions
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+ 4. Redistribution. You may reproduce and distribute copies of the
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+ meet the following conditions:
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
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+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
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+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/catalog-nexus/src/main/resources/META-INF/NOTICE.txt
----------------------------------------------------------------------
diff --git a/platforms/catalog-nexus/src/main/resources/META-INF/NOTICE.txt b/platforms/catalog-nexus/src/main/resources/META-INF/NOTICE.txt
new file mode 100644
index 0000000..2e215bf
--- /dev/null
+++ b/platforms/catalog-nexus/src/main/resources/META-INF/NOTICE.txt
@@ -0,0 +1,11 @@
+ =========================================================================
+ == NOTICE file corresponding to the section 4 d of ==
+ == the Apache License, Version 2.0, ==
+ == in this case for the Apache Camel distribution. ==
+ =========================================================================
+
+ This product includes software developed by
+ The Apache Software Foundation (http://www.apache.org/).
+
+ Please read the different LICENSE files present in the licenses directory of
+ this distribution.
http://git-wip-us.apache.org/repos/asf/camel/blob/a54d2cca/platforms/pom.xml
----------------------------------------------------------------------
diff --git a/platforms/pom.xml b/platforms/pom.xml
index 6327a97..61d5b05 100644
--- a/platforms/pom.xml
+++ b/platforms/pom.xml
@@ -41,6 +41,7 @@
<module>catalog-provider-springboot</module>
<module>catalog-lucene</module>
<module>catalog-maven</module>
+ <module>catalog-nexus</module>
<module>catalog-rest</module>
<module>catalog-rest-app</module>
</modules>