hazendaz / sitemesh2 / 59

Committed 22 Mar 2026 02:30AM UTC coverage: 40.347%. Remained the same

Build # 59

Build Type

push

github

Committed by

hazendaz

Commit Message

[mvn] Update maven wrapper

Run Details

698 of 1891 branches covered (36.91%)

Branch coverage included in aggregate %.

1555 of 3693 relevant lines covered (42.11%)

0.42 hits per line

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0.0

/src/main/java/com/opensymphony/module/sitemesh/util/Container.java

/*
 * SPDX-License-Identifier: Apache-2.0
 * Copyright 2011-2026 Hazendaz
 */
/*
 * Title:        Container
 * Description:
 *
 * This software is published under the terms of the OpenSymphony Software
 * License version 1.1, of which a copy has been included with this
 * distribution in the LICENSE.txt file.
 */

package com.opensymphony.module.sitemesh.util;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * Utility for determining the Servlet Container the application is running in. Currently supported containers: Tomcat,
 * Resin, Orion, OC4J, WebLogic, HPAS, JRun, Websphere.
 * <h2>Usage:</h2> <code>if (Container.get() == Container.TOMCAT) { .... }</code>
 *
 * @author <a href="mailto:joe@truemesh.com">Joe Walnes</a>
 */
public final class Container {

    /** The Constant UNKNOWN. */
    public static final int UNKNOWN = 0;

    /** The Constant TOMCAT. */
    public static final int TOMCAT = 1;

    /** The Constant RESIN. */
    public static final int RESIN = 2;

    /** The Constant ORION. */
    public static final int ORION = 3; // Orion or OC4J

    /** The Constant WEBLOGIC. */
    public static final int WEBLOGIC = 4;

    /** The Constant HPAS. */
    public static final int HPAS = 5;

    /** The Constant JRUN. */
    public static final int JRUN = 6;

    /** The Constant WEBSPHERE. */
    public static final int WEBSPHERE = 7;

    /** The result. */
    private static int result = -1;

    /**
     * A map containing classes that can be searched for, and which container they are typically found in.
     */
    private static Map<String, Integer> classMappings = null;

    static {
        // initialize the classes that can be searched for
        classMappings = new HashMap<String, Integer>(6);
        classMappings.put("org.apache.jasper.runtime.JspFactoryImpl", Integer.valueOf(TOMCAT));
        classMappings.put("com.caucho.jsp.JspServlet", Integer.valueOf(RESIN));
        classMappings.put("com.evermind.server.http.JSPServlet", Integer.valueOf(ORION));
        classMappings.put("weblogic.servlet.JSPServlet", Integer.valueOf(WEBLOGIC));
        classMappings.put("com.hp.mwlabs.j2ee.containers.servlet.jsp.JspServlet", Integer.valueOf(HPAS));
        classMappings.put("jrun.servlet.WebApplicationService", Integer.valueOf(JRUN));
        classMappings.put("com.ibm.ws.webcontainer.jsp.servlet.JspServlet", Integer.valueOf(WEBSPHERE));
    }

    /**
     * Get the current container.
     *
     * @return the int
     */
    public static int get() {
        if (result == -1) {
            final String classMatch = searchForClosestClass(classMappings);

            if (classMatch == null) {
                result = UNKNOWN;
            } else {
                result = ((Integer) classMappings.get(classMatch)).intValue();
            }
        }
        return result;
    }

    /**
     * Walk up the classloader hierachy and attempt to find a class in the classMappings Map that can be loaded.
     *
     * @param classMappings
     *            the class mappings
     *
     * @return Name of the match class, or null if not found.
     */
    private static String searchForClosestClass(Map<String, Integer> classMappings) {
        // get closest classloader
        ClassLoader loader = Container.class.getClassLoader();

        // iterate up through the classloader hierachy (through parents), until no more left.
        while (loader != null) {

            for (Iterator<String> iterator = classMappings.keySet().iterator(); iterator.hasNext();) {
                String className = (String) iterator.next();

                try {
                    // attempt to load current classname with current classloader
                    loader.loadClass(className);
                    // if no exception has been thrown, we're in luck.
                    return className;
                } catch (ClassNotFoundException e) {
                    // no problem... we'll keep trying...
                }
            }
            loader = loader.getParent();
        }

        // couldn't find anything
        return null;
    }
}

1	/*
2	* SPDX-License-Identifier: Apache-2.0
3	* Copyright 2011-2026 Hazendaz
4	*/
5	/*
6	* Title: Container
7	* Description:
8	*
9	* This software is published under the terms of the OpenSymphony Software
10	* License version 1.1, of which a copy has been included with this
11	* distribution in the LICENSE.txt file.
12	*/
13
14	package com.opensymphony.module.sitemesh.util;
15
16	import java.util.HashMap;
17	import java.util.Iterator;
18	import java.util.Map;
19
20	/**
21	* Utility for determining the Servlet Container the application is running in. Currently supported containers: Tomcat,
22	* Resin, Orion, OC4J, WebLogic, HPAS, JRun, Websphere.
23	* <h2>Usage:</h2> <code>if (Container.get() == Container.TOMCAT) { .... }</code>
24	*
25	* @author <a href="mailto:joe@truemesh.com">Joe Walnes</a>
26	*/
27	public final class Container {	×
28
29	/** The Constant UNKNOWN. */
30	public static final int UNKNOWN = 0;
31
32	/** The Constant TOMCAT. */
33	public static final int TOMCAT = 1;
34
35	/** The Constant RESIN. */
36	public static final int RESIN = 2;
37
38	/** The Constant ORION. */
39	public static final int ORION = 3; // Orion or OC4J
40
41	/** The Constant WEBLOGIC. */
42	public static final int WEBLOGIC = 4;
43
44	/** The Constant HPAS. */
45	public static final int HPAS = 5;
46
47	/** The Constant JRUN. */
48	public static final int JRUN = 6;
49
50	/** The Constant WEBSPHERE. */
51	public static final int WEBSPHERE = 7;
52
53	/** The result. */
54	private static int result = -1;	×
55
56	/**
57	* A map containing classes that can be searched for, and which container they are typically found in.
58	*/
59	private static Map<String, Integer> classMappings = null;	×
60
61	static {
62	// initialize the classes that can be searched for
63	classMappings = new HashMap<String, Integer>(6);	×
64	classMappings.put("org.apache.jasper.runtime.JspFactoryImpl", Integer.valueOf(TOMCAT));	×
65	classMappings.put("com.caucho.jsp.JspServlet", Integer.valueOf(RESIN));	×
66	classMappings.put("com.evermind.server.http.JSPServlet", Integer.valueOf(ORION));	×
67	classMappings.put("weblogic.servlet.JSPServlet", Integer.valueOf(WEBLOGIC));	×
68	classMappings.put("com.hp.mwlabs.j2ee.containers.servlet.jsp.JspServlet", Integer.valueOf(HPAS));	×
69	classMappings.put("jrun.servlet.WebApplicationService", Integer.valueOf(JRUN));	×
70	classMappings.put("com.ibm.ws.webcontainer.jsp.servlet.JspServlet", Integer.valueOf(WEBSPHERE));	×
71	}	×
72
73	/**
74	* Get the current container.
75	*
76	* @return the int
77	*/
78	public static int get() {
79	if (result == -1) {	×
80	final String classMatch = searchForClosestClass(classMappings);	×
81
82	if (classMatch == null) {	×
83	result = UNKNOWN;	×
84	} else {
85	result = ((Integer) classMappings.get(classMatch)).intValue();	×
86	}
87	}
88	return result;	×
89	}
90
91	/**
92	* Walk up the classloader hierachy and attempt to find a class in the classMappings Map that can be loaded.
93	*
94	* @param classMappings
95	* the class mappings
96	*
97	* @return Name of the match class, or null if not found.
98	*/
99	private static String searchForClosestClass(Map<String, Integer> classMappings) {
100	// get closest classloader
101	ClassLoader loader = Container.class.getClassLoader();	×
102
103	// iterate up through the classloader hierachy (through parents), until no more left.
104	while (loader != null) {	×
105
106	for (Iterator<String> iterator = classMappings.keySet().iterator(); iterator.hasNext();) {	×
107	String className = (String) iterator.next();	×
108
109	try {
110	// attempt to load current classname with current classloader
111	loader.loadClass(className);	×
112	// if no exception has been thrown, we're in luck.
113	return className;	×
114	} catch (ClassNotFoundException e) {	×
115	// no problem... we'll keep trying...
116	}
117	}	×
118	loader = loader.getParent();	×
119	}
120
121	// couldn't find anything
122	return null;	×
123	}
124	}

hazendaz / sitemesh2 / 59

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