first commit

.gitignore

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+build
+.gradle
+classloader.iml
+classloader.ipr
+classloader.iws

build.gradle

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+apply plugin: 'groovy'
+apply plugin: 'idea'
+
+slf4jVersion = '1.6.3'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    groovy 'org.codehaus.groovy:groovy-all:1.8.5'
+    compile('log4j:log4j:1.2.16') {
+        exclude group: 'ant',         module: 'ant-nodeps'
+        exclude group: 'ant',         module: 'ant-junit'
+        exclude group: 'ant-contrib', module: 'ant-contrib'
+    }
+    compile("org.slf4j:slf4j-log4j12:$slf4jVersion") {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+        exclude group: 'log4j',     module: 'log4j'
+    }
+    compile("org.slf4j:slf4j-api:$slf4jVersion")
+    compile("org.slf4j:jcl-over-slf4j:$slf4jVersion")  {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+    }
+    compile("org.slf4j:jul-to-slf4j:$slf4jVersion")  {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+    }
+    compile('commons-lang:commons-lang:2.6')
+    testCompile 'junit:junit:4.10'
+}

src/main/groovy/org/codehaus/griffon/classloader/ClasspathModule.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * 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.codehaus.griffon.classloader;
+
+/**
+ * @author Andres Almiray
+ */
+public class ClasspathModule {
+    private final ClasspathModuleConfiguration configuration;
+    private final ClassLoader classLoader;
+    private boolean active = true;
+
+    public ClasspathModule(ClasspathModuleConfiguration configuration, ClassLoader classLoader) {
+        this.configuration = configuration;
+        this.classLoader = classLoader;
+    }
+
+    public String getName() {
+        return getConfiguration().getName();
+    }
+
+    public ClasspathModuleConfiguration getConfiguration() {
+        return configuration;
+    }
+
+    public ClassLoader getClassLoader() {
+        return classLoader;
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+    public void setActive(boolean active) {
+        this.active = active;
+    }
+}

src/main/groovy/org/codehaus/griffon/classloader/ClasspathModuleConfiguration.java

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+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * 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.codehaus.griffon.classloader;
+
+import java.net.URL;
+import java.util.Arrays;
+
+/**
+ * @author Andres Almiray
+ */
+public class ClasspathModuleConfiguration {
+    private final String name;
+    private final URL[] urls;
+    private final String toStringValue;
+    private final int hashCodeValue;
+
+    public ClasspathModuleConfiguration(String name, URL[] urls) {
+        this.urls = urls;
+        this.name = name;
+        this.toStringValue = "<" + name + ">" + Arrays.toString(urls);
+        this.hashCodeValue = computeHashCode();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public URL[] getUrls() {
+        return urls;
+    }
+
+    public String toString() {
+        return toStringValue;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof ClasspathModuleConfiguration)) return false;
+
+        ClasspathModuleConfiguration that = (ClasspathModuleConfiguration) o;
+
+        if (!name.equals(that.name)) return false;
+        if (!Arrays.equals(sort(urls), sort(that.urls))) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return hashCodeValue;
+    }
+
+    private URL[] sort(URL[] urls) {
+        URL[] copy = new URL[urls.length];
+        System.arraycopy(urls, 0, copy, 0, 0);
+        Arrays.sort(copy);
+        return copy;
+    }
+
+    private int computeHashCode() {
+        int result = name.hashCode();
+        result = 31 * result + Arrays.hashCode(urls);
+        return result;
+    }
+}