com.flipkart.aesop.runtime.jetty.JettyWebAppContextFactory.java Source code

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Here is the source code for com.flipkart.aesop.runtime.jetty.JettyWebAppContextFactory.java

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/*
 * Copyright 2012-2015, 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 com.flipkart.aesop.runtime.jetty;

import java.io.File;

import org.eclipse.jetty.webapp.WebAppContext;
import org.springframework.beans.factory.FactoryBean;
import org.trpr.platform.runtime.common.RuntimeVariables;
import org.trpr.platform.runtime.impl.config.FileLocator;

import com.flipkart.aesop.runtime.spring.RuntimeComponentContainer;

/**
 * The Spring factory bean for creating the Jetty WebAppContext using resources found on the classpath
 * 
 * @author Regunath B
 * @version 1.0, 07 Jan 2014
 */
public class JettyWebAppContextFactory implements FactoryBean<WebAppContext> {

    /** The default max form contents size*/
    public static final int DEFAULT_MAX_FORM_SIZE = 2000000;

    /** The name of the web app context */
    private String contextName;

    /** The web app context path i.e. where WEB-INF is located*/
    private String contextPath;

    /** The max form size property*/
    private int maxFormContentSize = DEFAULT_MAX_FORM_SIZE;

    /**
     * Interface method implementation. Returns the Jetty WebAppContext type
     * @see org.springframework.beans.factory.FactoryBean#getObjectType()
     */
    public Class<WebAppContext> getObjectType() {
        return WebAppContext.class;
    }

    /**
     * Interface method implementation. Returns true
     * @see org.springframework.beans.factory.FactoryBean#isSingleton()
     */
    public boolean isSingleton() {
        return true;
    }

    /**
     * Interface method implementation. Creates and returns a WebAppContext instance
     * @see org.springframework.beans.factory.FactoryBean#getObject()
     */
    public WebAppContext getObject() throws Exception {
        String path = null;
        // get the module name from RuntimeVariables. This would be set by the RuntimeComponentContainer instance's init() method
        String moduleName = RuntimeVariables.getVariable(RuntimeComponentContainer.RUNTIME_MODULE_VAR);
        File[] files = FileLocator.findDirectories(this.getContextPath(), null);
        for (File file : files) {
            // we need only WEB-INF from the relevant project and none else even by mistake
            String fileToString = file.toString();
            if (fileToString.contains(".jar!") && fileToString.startsWith("file:/")) {
                fileToString = fileToString.replace("file:/", "jar:file:/");
                if (fileToString.contains(moduleName + "-")) {
                    path = fileToString;
                    break;
                }
            } else {
                if (fileToString.contains(moduleName)) {
                    path = fileToString;
                    break;
                }
            }
        }
        // trim off the "WEB-INF" part as the WebAppContext path should refer to the parent directory
        if (path.endsWith("WEB-INF")) {
            path = path.replace("WEB-INF", "");
        }
        WebAppContext webAppContext = new WebAppContext(path, this.getContextName());
        webAppContext.setMaxFormContentSize(this.getMaxFormContentSize());
        return webAppContext;
    }

    /** Getter/Setter methods */
    public String getContextName() {
        return this.contextName;
    }

    public void setContextName(String contextName) {
        this.contextName = contextName;
    }

    public String getContextPath() {
        return this.contextPath;
    }

    public void setContextPath(String contextPath) {
        this.contextPath = contextPath;
    }

    public int getMaxFormContentSize() {
        return this.maxFormContentSize;
    }

    public void setMaxFormContentSize(int maxFormContentSize) {
        this.maxFormContentSize = maxFormContentSize;
    }
    /** End Getter/Setter methods */

}