You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@directmemory.apache.org by si...@apache.org on 2012/02/24 15:51:43 UTC

svn commit: r1293280 - in /incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils: ./ Assertions.java package-info.java

Author: simonetripodi
Date: Fri Feb 24 14:51:43 2012
New Revision: 1293280

URL: http://svn.apache.org/viewvc?rev=1293280&view=rev
Log:
first checkin of internal stuff

Added:
    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/
    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java   (with props)
    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java   (with props)

Added: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java?rev=1293280&view=auto
==============================================================================
--- incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java (added)
+++ incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java Fri Feb 24 14:51:43 2012
@@ -0,0 +1,112 @@
+package org.apache.directmemory.utils;
+
+/*
+ * 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.
+ */
+
+import static java.lang.String.format;
+
+/**
+ * Code partially extracted from Google Collections
+ */
+public final class Assertions
+{
+
+    private Assertions()
+    {
+        // do nothing
+    }
+
+    /**
+     * Ensures the truth of an expression involving one or more parameters to the
+     * calling method.
+     *
+     * @param expression a boolean expression
+     * @param errorMessageTemplate a template for the exception message should the
+     *     check fail. The message is formed by replacing each {@code %s}
+     *     placeholder in the template with an argument. These are matched by
+     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
+     *     Unmatched arguments will be appended to the formatted message in square
+     *     braces. Unmatched placeholders will be left as-is.
+     * @param errorMessageArgs the arguments to be substituted into the message
+     *     template. Arguments are converted to strings using
+     *     {@link String#valueOf(Object)}.
+     * @throws IllegalArgumentException if {@code expression} is false
+     * @throws NullPointerException if the check fails and either {@code
+     *     errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
+     *     this happen)
+     */
+    public static void checkArgument( boolean expression, String errorMessageTemplate, Object... errorMessageArgs )
+    {
+        if ( !expression )
+        {
+            throw new IllegalArgumentException( format( errorMessageTemplate, errorMessageArgs ) );
+        }
+    }
+
+    /**
+     * Ensures the truth of an expression involving the state of the calling
+     * instance, but not involving any parameters to the calling method.
+     *
+     * @param expression a boolean expression
+     * @param errorMessageTemplate a template for the exception message should the
+     *     check fail. The message is formed by replacing each {@code %s}
+     *     placeholder in the template with an argument. These are matched by
+     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
+     *     Unmatched arguments will be appended to the formatted message in square
+     *     braces. Unmatched placeholders will be left as-is.
+     * @param errorMessageArgs the arguments to be substituted into the message template.
+     * @throws IllegalStateException if {@code expression} is false
+     * @throws NullPointerException if the check fails and either {@code
+     *     errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
+     *     this happen)
+     */
+    public static void checkState( boolean expression, String errorMessageTemplate, Object... errorMessageArgs )
+    {
+        if ( !expression )
+        {
+            throw new IllegalStateException( format( errorMessageTemplate, errorMessageArgs ) );
+        }
+    }
+
+    /**
+     * Ensures that an object reference passed as a parameter to the calling
+     * method is not null.
+     *
+     * @param reference an object reference
+     * @param errorMessageTemplate a template for the exception message should the
+     *     check fail. The message is formed by replacing each {@code %s}
+     *     placeholder in the template with an argument. These are matched by
+     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
+     *     Unmatched arguments will be appended to the formatted message in square
+     *     braces. Unmatched placeholders will be left as-is.
+     * @param errorMessageArgs the arguments to be substituted into the message
+     *     template. Arguments are converted to strings using
+     *     {@link String#valueOf(Object)}.
+     * @return the non-null reference that was validated
+     * @throws NullPointerException if {@code reference} is null
+     */
+    public static <T> T checkNotNull( T reference, String errorMessageTemplate, Object... errorMessageArgs )
+    {
+        if ( reference == null )
+        {
+            // If either of these parameters is null, the right thing happens anyway
+            throw new NullPointerException( format( errorMessageTemplate, errorMessageArgs ) );
+        }
+        return reference;
+    }
+
+}

Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
------------------------------------------------------------------------------
    svn:mime-type = text/plain

Added: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java?rev=1293280&view=auto
==============================================================================
--- incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java (added)
+++ incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java Fri Feb 24 14:51:43 2012
@@ -0,0 +1,25 @@
+/**
+ * Various internal use only utility classes.
+ *
+ * Users must not rely on classes in this package.
+ */
+package org.apache.directmemory.utils;
+
+/*
+ * 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.
+ */

Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
------------------------------------------------------------------------------
    svn:mime-type = text/plain



Re: svn commit: r1293280 - in /incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils: ./ Assertions.java package-info.java

Posted by Simone Tripodi <si...@apache.org>.
indeed, I just forgot that we already have that dependency :P

moving to guava right now, merci!

-Simo

http://people.apache.org/~simonetripodi/
http://simonetripodi.livejournal.com/
http://twitter.com/simonetripodi
http://www.99soft.org/



On Fri, Feb 24, 2012 at 4:25 PM, Benoit Perroud <be...@noisette.ch> wrote:
> Hi Simone,
>
> I wonder why not using Guava's Preconditions ? Sounds really the same
> (checkState, checkArgs, ...)
>
> Cheers,
>
> Benoit.
>
> 2012/2/24  <si...@apache.org>:
>> Author: simonetripodi
>> Date: Fri Feb 24 14:51:43 2012
>> New Revision: 1293280
>>
>> URL: http://svn.apache.org/viewvc?rev=1293280&view=rev
>> Log:
>> first checkin of internal stuff
>>
>> Added:
>>    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/
>>    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java   (with props)
>>    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java   (with props)
>>
>> Added: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
>> URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java?rev=1293280&view=auto
>> ==============================================================================
>> --- incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java (added)
>> +++ incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java Fri Feb 24 14:51:43 2012
>> @@ -0,0 +1,112 @@
>> +package org.apache.directmemory.utils;
>> +
>> +/*
>> + * 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.
>> + */
>> +
>> +import static java.lang.String.format;
>> +
>> +/**
>> + * Code partially extracted from Google Collections
>> + */
>> +public final class Assertions
>> +{
>> +
>> +    private Assertions()
>> +    {
>> +        // do nothing
>> +    }
>> +
>> +    /**
>> +     * Ensures the truth of an expression involving one or more parameters to the
>> +     * calling method.
>> +     *
>> +     * @param expression a boolean expression
>> +     * @param errorMessageTemplate a template for the exception message should the
>> +     *     check fail. The message is formed by replacing each {@code %s}
>> +     *     placeholder in the template with an argument. These are matched by
>> +     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
>> +     *     Unmatched arguments will be appended to the formatted message in square
>> +     *     braces. Unmatched placeholders will be left as-is.
>> +     * @param errorMessageArgs the arguments to be substituted into the message
>> +     *     template. Arguments are converted to strings using
>> +     *     {@link String#valueOf(Object)}.
>> +     * @throws IllegalArgumentException if {@code expression} is false
>> +     * @throws NullPointerException if the check fails and either {@code
>> +     *     errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
>> +     *     this happen)
>> +     */
>> +    public static void checkArgument( boolean expression, String errorMessageTemplate, Object... errorMessageArgs )
>> +    {
>> +        if ( !expression )
>> +        {
>> +            throw new IllegalArgumentException( format( errorMessageTemplate, errorMessageArgs ) );
>> +        }
>> +    }
>> +
>> +    /**
>> +     * Ensures the truth of an expression involving the state of the calling
>> +     * instance, but not involving any parameters to the calling method.
>> +     *
>> +     * @param expression a boolean expression
>> +     * @param errorMessageTemplate a template for the exception message should the
>> +     *     check fail. The message is formed by replacing each {@code %s}
>> +     *     placeholder in the template with an argument. These are matched by
>> +     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
>> +     *     Unmatched arguments will be appended to the formatted message in square
>> +     *     braces. Unmatched placeholders will be left as-is.
>> +     * @param errorMessageArgs the arguments to be substituted into the message template.
>> +     * @throws IllegalStateException if {@code expression} is false
>> +     * @throws NullPointerException if the check fails and either {@code
>> +     *     errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
>> +     *     this happen)
>> +     */
>> +    public static void checkState( boolean expression, String errorMessageTemplate, Object... errorMessageArgs )
>> +    {
>> +        if ( !expression )
>> +        {
>> +            throw new IllegalStateException( format( errorMessageTemplate, errorMessageArgs ) );
>> +        }
>> +    }
>> +
>> +    /**
>> +     * Ensures that an object reference passed as a parameter to the calling
>> +     * method is not null.
>> +     *
>> +     * @param reference an object reference
>> +     * @param errorMessageTemplate a template for the exception message should the
>> +     *     check fail. The message is formed by replacing each {@code %s}
>> +     *     placeholder in the template with an argument. These are matched by
>> +     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
>> +     *     Unmatched arguments will be appended to the formatted message in square
>> +     *     braces. Unmatched placeholders will be left as-is.
>> +     * @param errorMessageArgs the arguments to be substituted into the message
>> +     *     template. Arguments are converted to strings using
>> +     *     {@link String#valueOf(Object)}.
>> +     * @return the non-null reference that was validated
>> +     * @throws NullPointerException if {@code reference} is null
>> +     */
>> +    public static <T> T checkNotNull( T reference, String errorMessageTemplate, Object... errorMessageArgs )
>> +    {
>> +        if ( reference == null )
>> +        {
>> +            // If either of these parameters is null, the right thing happens anyway
>> +            throw new NullPointerException( format( errorMessageTemplate, errorMessageArgs ) );
>> +        }
>> +        return reference;
>> +    }
>> +
>> +}
>>
>> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
>> ------------------------------------------------------------------------------
>>    svn:eol-style = native
>>
>> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
>> ------------------------------------------------------------------------------
>>    svn:keywords = Date Author Id Revision HeadURL
>>
>> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
>> ------------------------------------------------------------------------------
>>    svn:mime-type = text/plain
>>
>> Added: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
>> URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java?rev=1293280&view=auto
>> ==============================================================================
>> --- incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java (added)
>> +++ incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java Fri Feb 24 14:51:43 2012
>> @@ -0,0 +1,25 @@
>> +/**
>> + * Various internal use only utility classes.
>> + *
>> + * Users must not rely on classes in this package.
>> + */
>> +package org.apache.directmemory.utils;
>> +
>> +/*
>> + * 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.
>> + */
>>
>> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
>> ------------------------------------------------------------------------------
>>    svn:eol-style = native
>>
>> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
>> ------------------------------------------------------------------------------
>>    svn:keywords = Date Author Id Revision HeadURL
>>
>> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
>> ------------------------------------------------------------------------------
>>    svn:mime-type = text/plain
>>
>>
>
>
>
> --
> sent from my Nokia 3210

Re: svn commit: r1293280 - in /incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils: ./ Assertions.java package-info.java

Posted by Benoit Perroud <be...@noisette.ch>.
Hi Simone,

I wonder why not using Guava's Preconditions ? Sounds really the same
(checkState, checkArgs, ...)

Cheers,

Benoit.

2012/2/24  <si...@apache.org>:
> Author: simonetripodi
> Date: Fri Feb 24 14:51:43 2012
> New Revision: 1293280
>
> URL: http://svn.apache.org/viewvc?rev=1293280&view=rev
> Log:
> first checkin of internal stuff
>
> Added:
>    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/
>    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java   (with props)
>    incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java   (with props)
>
> Added: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
> URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java?rev=1293280&view=auto
> ==============================================================================
> --- incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java (added)
> +++ incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java Fri Feb 24 14:51:43 2012
> @@ -0,0 +1,112 @@
> +package org.apache.directmemory.utils;
> +
> +/*
> + * 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.
> + */
> +
> +import static java.lang.String.format;
> +
> +/**
> + * Code partially extracted from Google Collections
> + */
> +public final class Assertions
> +{
> +
> +    private Assertions()
> +    {
> +        // do nothing
> +    }
> +
> +    /**
> +     * Ensures the truth of an expression involving one or more parameters to the
> +     * calling method.
> +     *
> +     * @param expression a boolean expression
> +     * @param errorMessageTemplate a template for the exception message should the
> +     *     check fail. The message is formed by replacing each {@code %s}
> +     *     placeholder in the template with an argument. These are matched by
> +     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
> +     *     Unmatched arguments will be appended to the formatted message in square
> +     *     braces. Unmatched placeholders will be left as-is.
> +     * @param errorMessageArgs the arguments to be substituted into the message
> +     *     template. Arguments are converted to strings using
> +     *     {@link String#valueOf(Object)}.
> +     * @throws IllegalArgumentException if {@code expression} is false
> +     * @throws NullPointerException if the check fails and either {@code
> +     *     errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
> +     *     this happen)
> +     */
> +    public static void checkArgument( boolean expression, String errorMessageTemplate, Object... errorMessageArgs )
> +    {
> +        if ( !expression )
> +        {
> +            throw new IllegalArgumentException( format( errorMessageTemplate, errorMessageArgs ) );
> +        }
> +    }
> +
> +    /**
> +     * Ensures the truth of an expression involving the state of the calling
> +     * instance, but not involving any parameters to the calling method.
> +     *
> +     * @param expression a boolean expression
> +     * @param errorMessageTemplate a template for the exception message should the
> +     *     check fail. The message is formed by replacing each {@code %s}
> +     *     placeholder in the template with an argument. These are matched by
> +     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
> +     *     Unmatched arguments will be appended to the formatted message in square
> +     *     braces. Unmatched placeholders will be left as-is.
> +     * @param errorMessageArgs the arguments to be substituted into the message template.
> +     * @throws IllegalStateException if {@code expression} is false
> +     * @throws NullPointerException if the check fails and either {@code
> +     *     errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
> +     *     this happen)
> +     */
> +    public static void checkState( boolean expression, String errorMessageTemplate, Object... errorMessageArgs )
> +    {
> +        if ( !expression )
> +        {
> +            throw new IllegalStateException( format( errorMessageTemplate, errorMessageArgs ) );
> +        }
> +    }
> +
> +    /**
> +     * Ensures that an object reference passed as a parameter to the calling
> +     * method is not null.
> +     *
> +     * @param reference an object reference
> +     * @param errorMessageTemplate a template for the exception message should the
> +     *     check fail. The message is formed by replacing each {@code %s}
> +     *     placeholder in the template with an argument. These are matched by
> +     *     position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
> +     *     Unmatched arguments will be appended to the formatted message in square
> +     *     braces. Unmatched placeholders will be left as-is.
> +     * @param errorMessageArgs the arguments to be substituted into the message
> +     *     template. Arguments are converted to strings using
> +     *     {@link String#valueOf(Object)}.
> +     * @return the non-null reference that was validated
> +     * @throws NullPointerException if {@code reference} is null
> +     */
> +    public static <T> T checkNotNull( T reference, String errorMessageTemplate, Object... errorMessageArgs )
> +    {
> +        if ( reference == null )
> +        {
> +            // If either of these parameters is null, the right thing happens anyway
> +            throw new NullPointerException( format( errorMessageTemplate, errorMessageArgs ) );
> +        }
> +        return reference;
> +    }
> +
> +}
>
> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
> ------------------------------------------------------------------------------
>    svn:eol-style = native
>
> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
> ------------------------------------------------------------------------------
>    svn:keywords = Date Author Id Revision HeadURL
>
> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/Assertions.java
> ------------------------------------------------------------------------------
>    svn:mime-type = text/plain
>
> Added: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
> URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java?rev=1293280&view=auto
> ==============================================================================
> --- incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java (added)
> +++ incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java Fri Feb 24 14:51:43 2012
> @@ -0,0 +1,25 @@
> +/**
> + * Various internal use only utility classes.
> + *
> + * Users must not rely on classes in this package.
> + */
> +package org.apache.directmemory.utils;
> +
> +/*
> + * 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.
> + */
>
> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
> ------------------------------------------------------------------------------
>    svn:eol-style = native
>
> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
> ------------------------------------------------------------------------------
>    svn:keywords = Date Author Id Revision HeadURL
>
> Propchange: incubator/directmemory/trunk/directmemory-cache/src/main/java/org/apache/directmemory/utils/package-info.java
> ------------------------------------------------------------------------------
>    svn:mime-type = text/plain
>
>



-- 
sent from my Nokia 3210