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commit 43ffa8310e7480faf5a0050b52bcff51a813a5c9
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Wed Jun 19 07:05:45 2019 +0200
CAMEL-13663: camel-main-maven-plugin to generte spring-boot tooling
metadata to fool Java editors to have code completions for Camel Main
application.properties files.
---
.../org/apache/camel/maven/AbstractMainMojo.java | 197 +++++++++++++++++++++
.../java/org/apache/camel/maven/AutowireMojo.java | 164 +----------------
2 files changed, 198 insertions(+), 163 deletions(-)
diff --git
a/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AbstractMainMojo.java
b/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AbstractMainMojo.java
new file mode 100644
index 0000000..f1de650
--- /dev/null
+++
b/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AbstractMainMojo.java
@@ -0,0 +1,197 @@
+/**
+ * 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.maven;
+
+import java.io.File;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+import java.util.TreeSet;
+
+import org.apache.camel.util.IOHelper;
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.artifact.resolver.ArtifactResolutionRequest;
+import org.apache.maven.artifact.resolver.ArtifactResolver;
+import org.apache.maven.model.Dependency;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugins.annotations.Component;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.repository.RepositorySystem;
+import org.codehaus.mojo.exec.AbstractExecMojo;
+
+/**
+ * Base class for maven goals.
+ */
+public abstract class AbstractMainMojo extends AbstractExecMojo {
+
+ /**
+ * Whether to log the classpath when starting
+ */
+ @Parameter(property = "camel.logClasspath", defaultValue = "false")
+ protected boolean logClasspath;
+
+ /**
+ * Whether to allow downloading Camel catalog version from the internet.
This is needed if the project
+ * uses a different Camel version than this plugin is using by default.
+ */
+ @Parameter(property = "camel.downloadVersion", defaultValue = "true")
+ protected boolean downloadVersion;
+
+ protected transient ClassLoader classLoader;
+
+ @Component
+ private RepositorySystem repositorySystem;
+
+ @Component
+ private ArtifactResolver artifactResolver;
+
+ @Parameter(property = "localRepository")
+ private ArtifactRepository localRepository;
+
+ @Parameter(property = "project.remoteArtifactRepositories")
+ private List remoteRepositories;
+
+ protected static String findCamelVersion(MavenProject project) {
+ Dependency candidate = null;
+
+ List list = project.getDependencies();
+ for (Object obj : list) {
+ Dependency dep = (Dependency) obj;
+ if ("org.apache.camel".equals(dep.getGroupId())) {
+ if ("camel-core".equals(dep.getArtifactId())) {
+ // favor camel-core
+ candidate = dep;
+ break;
+ } else {
+ candidate = dep;
+ }
+ }
+ }
+ if (candidate != null) {
+ return candidate.getVersion();
+ }
+
+ return null;
+ }
+
+ protected Set<String> resolveCamelComponentsFromClasspath() throws
MojoFailureException {
+ Set<String> components = new TreeSet<>();
+ try {
+ classLoader = getClassLoader();
+ Enumeration<URL> en =
classLoader.getResources("META-INF/services/org/apache/camel/component.properties");
+ while (en.hasMoreElements()) {
+ URL url = en.nextElement();
+ InputStream is = (InputStream) url.getContent();
+ Properties prop = new Properties();
+ prop.load(is);
+ String comps = prop.getProperty("components");
+ if (comps != null) {
+ String[] parts = comps.split("\\s+");
+ components.addAll(Arrays.asList(parts));
+ }
+ IOHelper.close(is);
+ }
+ } catch (Throwable e) {
+ throw new MojoFailureException("Error during discovering Camel
components from classpath due " + e.getMessage(), e);
+ }
+
+ return components;
+ }
+
+ /**
+ * Set up a classloader for scanning
+ */
+ private ClassLoader getClassLoader() throws MalformedURLException,
MojoExecutionException {
+ Set<URL> classpathURLs = new LinkedHashSet<>();
+
+ // add project classpath
+ URL mainClasses = new
File(project.getBuild().getOutputDirectory()).toURI().toURL();
+ classpathURLs.add(mainClasses);
+
+ // add maven dependencies
+ Set<Artifact> deps = project.getArtifacts();
+ deps.addAll(getAllNonTestScopedDependencies());
+ for (Artifact dep : deps) {
+ File file = dep.getFile();
+ if (file != null) {
+ classpathURLs.add(file.toURI().toURL());
+ }
+ }
+
+ if (logClasspath) {
+ getLog().info("Classpath:");
+ for (URL url : classpathURLs) {
+ getLog().info(" " + url.getFile());
+ }
+ }
+ return new URLClassLoader(classpathURLs.toArray(new
URL[classpathURLs.size()]));
+ }
+
+ private Collection<Artifact> getAllNonTestScopedDependencies() throws
MojoExecutionException {
+ List<Artifact> answer = new ArrayList<>();
+
+ for (Artifact artifact : getAllDependencies()) {
+
+ // do not add test artifacts
+ if (!artifact.getScope().equals(Artifact.SCOPE_TEST)) {
+
+ if ("google-collections".equals(artifact.getArtifactId())) {
+ // skip this as we conflict with guava
+ continue;
+ }
+
+ if (!artifact.isResolved()) {
+ ArtifactResolutionRequest req = new
ArtifactResolutionRequest();
+ req.setArtifact(artifact);
+ req.setResolveTransitively(true);
+ req.setLocalRepository(localRepository);
+ req.setRemoteRepositories(remoteRepositories);
+ artifactResolver.resolve(req);
+ }
+
+ answer.add(artifact);
+ }
+ }
+ return answer;
+ }
+
+ // generic method to retrieve all the transitive dependencies
+ private Collection<Artifact> getAllDependencies() {
+ List<Artifact> artifacts = new ArrayList<>();
+
+ for (Iterator<?> dependencies = project.getDependencies().iterator();
dependencies.hasNext(); ) {
+ Dependency dependency = (Dependency) dependencies.next();
+ Artifact art =
repositorySystem.createDependencyArtifact(dependency);
+ artifacts.add(art);
+ }
+
+ return artifacts;
+ }
+}
diff --git
a/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AutowireMojo.java
b/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AutowireMojo.java
index be9f91c..1e5c955 100644
---
a/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AutowireMojo.java
+++
b/catalog/camel-main-maven-plugin/src/main/java/org/apache/camel/maven/AutowireMojo.java
@@ -22,20 +22,11 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Modifier;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.net.URLClassLoader;
import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Enumeration;
-import java.util.Iterator;
-import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
-import java.util.TreeSet;
import java.util.stream.Collectors;
import org.apache.camel.catalog.CamelCatalog;
@@ -46,21 +37,12 @@ import org.apache.camel.support.PatternHelper;
import org.apache.camel.util.IOHelper;
import org.apache.camel.util.OrderedProperties;
import org.apache.camel.util.StringHelper;
-import org.apache.maven.artifact.Artifact;
-import org.apache.maven.artifact.repository.ArtifactRepository;
-import org.apache.maven.artifact.resolver.ArtifactResolutionRequest;
-import org.apache.maven.artifact.resolver.ArtifactResolver;
-import org.apache.maven.model.Dependency;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
-import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
-import org.apache.maven.project.MavenProject;
-import org.apache.maven.repository.RepositorySystem;
-import org.codehaus.mojo.exec.AbstractExecMojo;
import org.reflections.Reflections;
import org.reflections.scanners.SubTypesScanner;
import org.reflections.util.ClasspathHelper;
@@ -70,13 +52,7 @@ import org.reflections.util.ConfigurationBuilder;
* Pre scans your project and prepare autowiring by classpath scanning
*/
@Mojo(name = "autowire", defaultPhase = LifecyclePhase.PROCESS_CLASSES,
threadSafe = true, requiresDependencyResolution = ResolutionScope.COMPILE)
-public class AutowireMojo extends AbstractExecMojo {
-
- /**
- * Whether to log the classpath when starting
- */
- @Parameter(property = "camel.logClasspath", defaultValue = "false")
- protected boolean logClasspath;
+public class AutowireMojo extends AbstractMainMojo {
/**
* When autowiring has detected multiple implementations (2 or more) of a
given interface, which
@@ -118,27 +94,6 @@ public class AutowireMojo extends AbstractExecMojo {
@Parameter(defaultValue =
"${project.build.directory}/classes/camel-main-mappings.properties")
protected File mappingsFile;
- /**
- * Whether to allow downloading Camel catalog version from the internet.
This is needed if the project
- * uses a different Camel version than this plugin is using by default.
- */
- @Parameter(property = "camel.downloadVersion", defaultValue = "true")
- private boolean downloadVersion;
-
- @Component
- private RepositorySystem repositorySystem;
-
- @Component
- private ArtifactResolver artifactResolver;
-
- @Parameter(property = "localRepository")
- private ArtifactRepository localRepository;
-
- @Parameter(property = "project.remoteArtifactRepositories")
- private List remoteRepositories;
-
- private transient ClassLoader classLoader;
-
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
CamelCatalog catalog = new DefaultCamelCatalog();
@@ -401,121 +356,4 @@ public class AutowireMojo extends AbstractExecMojo {
return javaType;
}
- protected Set<String> resolveCamelComponentsFromClasspath() throws
MojoFailureException {
- Set<String> components = new TreeSet<>();
- try {
- classLoader = getClassLoader();
- Enumeration<URL> en =
classLoader.getResources("META-INF/services/org/apache/camel/component.properties");
- while (en.hasMoreElements()) {
- URL url = en.nextElement();
- InputStream is = (InputStream) url.getContent();
- Properties prop = new Properties();
- prop.load(is);
- String comps = prop.getProperty("components");
- if (comps != null) {
- String[] parts = comps.split("\\s+");
- components.addAll(Arrays.asList(parts));
- }
- IOHelper.close(is);
- }
- } catch (Throwable e) {
- throw new MojoFailureException("Error during discovering Camel
components from classpath due " + e.getMessage(), e);
- }
-
- return components;
- }
-
- private static String findCamelVersion(MavenProject project) {
- Dependency candidate = null;
-
- List list = project.getDependencies();
- for (Object obj : list) {
- Dependency dep = (Dependency) obj;
- if ("org.apache.camel".equals(dep.getGroupId())) {
- if ("camel-core".equals(dep.getArtifactId())) {
- // favor camel-core
- candidate = dep;
- break;
- } else {
- candidate = dep;
- }
- }
- }
- if (candidate != null) {
- return candidate.getVersion();
- }
-
- return null;
- }
-
- /**
- * Set up a classloader for scanning
- */
- private ClassLoader getClassLoader() throws MalformedURLException,
MojoExecutionException {
- Set<URL> classpathURLs = new LinkedHashSet<>();
-
- // add project classpath
- URL mainClasses = new
File(project.getBuild().getOutputDirectory()).toURI().toURL();
- classpathURLs.add(mainClasses);
-
- // add maven dependencies
- Set<Artifact> deps = project.getArtifacts();
- deps.addAll(getAllNonTestScopedDependencies());
- for (Artifact dep : deps) {
- File file = dep.getFile();
- if (file != null) {
- classpathURLs.add(file.toURI().toURL());
- }
- }
-
- if (logClasspath) {
- getLog().info("Classpath:");
- for (URL url : classpathURLs) {
- getLog().info(" " + url.getFile());
- }
- }
- return new URLClassLoader(classpathURLs.toArray(new
URL[classpathURLs.size()]));
- }
-
- private Collection<Artifact> getAllNonTestScopedDependencies() throws
MojoExecutionException {
- List<Artifact> answer = new ArrayList<>();
-
- for (Artifact artifact : getAllDependencies()) {
-
- // do not add test artifacts
- if (!artifact.getScope().equals(Artifact.SCOPE_TEST)) {
-
- if ("google-collections".equals(artifact.getArtifactId())) {
- // skip this as we conflict with guava
- continue;
- }
-
- if (!artifact.isResolved()) {
- ArtifactResolutionRequest req = new
ArtifactResolutionRequest();
- req.setArtifact(artifact);
- req.setResolveTransitively(true);
- req.setLocalRepository(localRepository);
- req.setRemoteRepositories(remoteRepositories);
- artifactResolver.resolve(req);
- }
-
- answer.add(artifact);
- }
- }
- return answer;
- }
-
- // generic method to retrieve all the transitive dependencies
- private Collection<Artifact> getAllDependencies() {
- List<Artifact> artifacts = new ArrayList<>();
-
- for (Iterator<?> dependencies = project.getDependencies().iterator();
dependencies.hasNext();) {
- Dependency dependency = (Dependency)dependencies.next();
- Artifact art =
repositorySystem.createDependencyArtifact(dependency);
- artifacts.add(art);
- }
-
- return artifacts;
- }
-
}
