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 <h2 title="Class FormatPreservingProperties" class="title">Class FormatPreservingProperties</h2>
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 <ul class="inheritance">
 <li><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">java.util.Properties</a></li>
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 <dd><a href="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</dd>
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 <br>
 <pre>public class <span class="strong">FormatPreservingProperties</span>
 extends <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></pre>
 <div class="block">A specialization of <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util"><code>Properties</code></a> that stores its contents
  in the same order and with the same formatting as was used to read
  the contents from an input stream. This is useful because it means
  that a properties file loaded via this object and then written
  back out later on will only be different where changes or
  additions were made.
  By default, the <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#store(java.io.OutputStream,%20java.lang.String)"><code>store(java.io.OutputStream, java.lang.String)</code></a> method in this class does not
  behave the same as <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a>. You can cause an
  instance to approximate the behavior of <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a>
  by invoking <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setDefaultEntryDelimiter(char)"><code>setDefaultEntryDelimiter(char)</code></a> with <code>=</code>,
  <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setAddWhitespaceAfterDelimiter(boolean)"><code>setAddWhitespaceAfterDelimiter(boolean)</code></a> with <code>false</code>, and
  <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setAllowDuplicates(boolean)"><code>setAllowDuplicates(boolean)</code></a> with <code>true</code>. However, this
  will only influence how the instance will write new values, not how
  it will write existing key-value pairs that are modified.
  In conjunction with a conservative output writer, it is
  possible to only write to disk changes / additions.
  This implementation does not permit escaped ' ', '=', ':'
  characters in key names.</div>
 <dl><dt><span class="strong">Since:</span></dt>
   <dd>0.3.3</dd>
 <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../serialized-form.html#org.apache.openjpa.lib.util.FormatPreservingProperties">Serialized Form</a></dd></dl>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.DuplicateKeyException.html" title="class in org.apache.openjpa.lib.util">FormatPreservingProperties.DuplicateKeyException</a></strong></code>&nbsp;</td>
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 <!--   -->
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 <h3>Fields inherited from class&nbsp;java.util.<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></h3>
 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#defaults" title="class or interface in java.util">defaults</a></code></li>
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 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#FormatPreservingProperties()">FormatPreservingProperties</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colOne"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#FormatPreservingProperties(java.util.Properties)">FormatPreservingProperties</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;defaults)</code>&nbsp;</td>
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 <caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#clear()">clear</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#clone()">clone</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getAddWhitespaceAfterDelimiter()">getAddWhitespaceAfterDelimiter</a></strong>()</code>
 <div class="block">If set to <code>true</code>, this properties object will add a
  space after the delimiter character(if the delimiter is not
  the space character).</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getAllowDuplicates()">getAllowDuplicates</a></strong>()</code>
 <div class="block">If set to <code>true</code>, duplicate properties are allowed, and
  the last property setting in the input will overwrite any previous
  settings.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>char</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getDefaultEntryDelimiter()">getDefaultEntryDelimiter</a></strong>()</code>
 <div class="block">See <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setDefaultEntryDelimiter(char)"><code>setDefaultEntryDelimiter(char)</code></a></div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getInsertTimestamp()">getInsertTimestamp</a></strong>()</code>
 <div class="block">If set to <code>true</code>, this properties object will add a
  timestamp to the beginning of the file, just after the header
  (if any) is printed.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getProperty(java.lang.String)">getProperty</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getProperty(java.lang.String,%20java.lang.String)">getProperty</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
            <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#load(java.io.InputStream)">load</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in)</code>
 <div class="block">Loads the properties in <code>in</code>, according to the rules
  described in <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#load(java.io.Reader)" title="class or interface in java.util"><code>Properties.load(java.io.Reader)</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#put(java.lang.Object,%20java.lang.Object)">put</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;key,
    <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#putAll(java.util.Map)">putAll</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&nbsp;m)</code>
 <div class="block">Circumvents the superclass <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#putAll(java.util.Map)"><code>putAll(java.util.Map)</code></a> implementation,
  putting all the key-value pairs via <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#put(java.lang.Object,%20java.lang.Object)"><code>put(java.lang.Object, java.lang.Object)</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#remove(java.lang.Object)">remove</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;key)</code>
 <div class="block">Removes the key from the bookkeeping collectiotns as well.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#save(java.io.OutputStream,%20java.lang.String)">save</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;out,
     <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;header)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setAddWhitespaceAfterDelimiter(boolean)">setAddWhitespaceAfterDelimiter</a></strong>(boolean&nbsp;add)</code>
 <div class="block">If set to <code>true</code>, this properties object will add a
  space after the delimiter character(if the delimiter is not
  the space character).</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setAllowDuplicates(boolean)">setAllowDuplicates</a></strong>(boolean&nbsp;allowDuplicates)</code>
 <div class="block">If set to <code>true</code>, duplicate properties are allowed, and
  the last property setting in the input will overwrite any previous
  settings.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setDefaultEntryDelimiter(char)">setDefaultEntryDelimiter</a></strong>(char&nbsp;defaultEntryDelimiter)</code>
 <div class="block">The character to use as a delimiter between property keys and values.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setInsertTimestamp(boolean)">setInsertTimestamp</a></strong>(boolean&nbsp;insertTimestamp)</code>
 <div class="block">If set to <code>true</code>, this properties object will add a
  timestamp to the beginning of the file, just after the header
  (if any) is printed.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#setProperty(java.lang.String,%20java.lang.String)">setProperty</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
            <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#store(java.io.OutputStream,%20java.lang.String)">store</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;out,
      <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;header)</code>&nbsp;</td>
 </tr>
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 <h3>Methods inherited from class&nbsp;java.util.<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></h3>
 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#list(java.io.PrintStream)" title="class or interface in java.util">list</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#list(java.io.PrintWriter)" title="class or interface in java.util">list</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#load(java.io.Reader)" title="class or interface in java.util">load</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#loadFromXML(java.io.InputStream)" title="class or interface in java.util">loadFromXML</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#propertyNames()" title="class or interface in java.util">propertyNames</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util">store</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#storeToXML(java.io.OutputStream,%20java.lang.String)" title="class or interface in java.util">storeToXML</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#storeToXML(java.io.OutputStream,%20java.lang.String,%20java.lang.String)" title="class or interface in java.util">storeToXML</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#stringPropertyNames()" title="class or interface in java.util">stringPropertyNames</a></code></li>
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 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#contains(java.lang.Object)" title="class or interface in java.util">contains</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#containsKey(java.lang.Object)" title="class or interface in java.util">containsKey</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#containsValue(java.lang.Object)" title="class or interface in java.util">containsValue</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#elements()" title="class or interface in java.util">elements</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#entrySet()" title="class or interface in java.util">entrySet</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.util">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#get(java.lang.Object)" title="class or interface in java.util">get</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#hashCode()" title="class or interface in java.util">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#isEmpty()" title="class or interface in java.util">isEmpty</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#keys()" title="class or interface in java.util">keys</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#keySet()" title="class or interface in java.util">keySet</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#rehash()" title="class or interface in java.util">rehash</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#size()" title="class or interface in java.util">size</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#toString()" title="class or interface in java.util">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#values()" title="class or interface in java.util">values</a></code></li>
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 <code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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 <pre>public&nbsp;FormatPreservingProperties(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;defaults)</pre>
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 <pre>public&nbsp;void&nbsp;setDefaultEntryDelimiter(char&nbsp;defaultEntryDelimiter)</pre>
 <div class="block">The character to use as a delimiter between property keys and values.</div>
 <dl><dt><span class="strong">Parameters:</span></dt><dd><code>defaultEntryDelimiter</code> - either ':' or '='</dd></dl>
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 <pre>public&nbsp;char&nbsp;getDefaultEntryDelimiter()</pre>
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 <pre>public&nbsp;void&nbsp;setAddWhitespaceAfterDelimiter(boolean&nbsp;add)</pre>
 <div class="block">If set to <code>true</code>, this properties object will add a
  space after the delimiter character(if the delimiter is not
  the space character). Else, this will not add a space.
  Default value: <code>true</code>. Note that <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a> never writes whitespace.</div>
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 <div class="block">If set to <code>true</code>, this properties object will add a
  space after the delimiter character(if the delimiter is not
  the space character). Else, this will not add a space.
  Default value: <code>true</code>. Note that <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a> never writes whitespace.</div>
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 <div class="block">If set to <code>true</code>, this properties object will add a
  timestamp to the beginning of the file, just after the header
  (if any) is printed. Else, this will not add a timestamp.
  Default value: <code>false</code>. Note that <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a> always writes a timestamp.</div>
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 <pre>public&nbsp;boolean&nbsp;getInsertTimestamp()</pre>
 <div class="block">If set to <code>true</code>, this properties object will add a
  timestamp to the beginning of the file, just after the header
  (if any) is printed. Else, this will not add a timestamp.
  Default value: <code>false</code>. Note that <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a> always writes a timestamp.</div>
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 <pre>public&nbsp;void&nbsp;setAllowDuplicates(boolean&nbsp;allowDuplicates)</pre>
 <div class="block">If set to <code>true</code>, duplicate properties are allowed, and
  the last property setting in the input will overwrite any previous
  settings. If set to <code>false</code>, duplicate property definitions
  in the input will cause an exception to be thrown during <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#load(java.io.InputStream)"><code>load(java.io.InputStream)</code></a>.
  Default value: <code>false</code>. Note that <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a> always allows duplicates.</div>
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 <pre>public&nbsp;boolean&nbsp;getAllowDuplicates()</pre>
 <div class="block">If set to <code>true</code>, duplicate properties are allowed, and
  the last property setting in the input will overwrite any previous
  settings. If set to <code>false</code>, duplicate property definitions
  in the input will cause an exception to be thrown during <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#load(java.io.InputStream)"><code>load(java.io.InputStream)</code></a>.
  Default value: <code>false</code>. Note that <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.Writer,%20java.lang.String)" title="class or interface in java.util"><code>Properties.store(java.io.Writer, java.lang.String)</code></a> always allows duplicates.</div>
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 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getProperty(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#getProperty(java.lang.String)" title="class or interface in java.util">getProperty</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></dd>
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 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getProperty(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
                  <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#getProperty(java.lang.String,%20java.lang.String)" title="class or interface in java.util">getProperty</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></dd>
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 <h4>setProperty</h4>
 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;setProperty(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
                  <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#setProperty(java.lang.String,%20java.lang.String)" title="class or interface in java.util">setProperty</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></dd>
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 <h4>putAll</h4>
 <pre>public&nbsp;void&nbsp;putAll(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&nbsp;m)</pre>
 <div class="block">Circumvents the superclass <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#putAll(java.util.Map)"><code>putAll(java.util.Map)</code></a> implementation,
  putting all the key-value pairs via <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#put(java.lang.Object,%20java.lang.Object)"><code>put(java.lang.Object, java.lang.Object)</code></a>.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#putAll(java.util.Map)" title="class or interface in java.util">putAll</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#putAll(java.util.Map)" title="class or interface in java.util">putAll</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
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 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;remove(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;key)</pre>
 <div class="block">Removes the key from the bookkeeping collectiotns as well.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util">remove</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util">remove</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
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 <pre>public&nbsp;void&nbsp;clear()</pre>
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 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#clear()" title="class or interface in java.util">clear</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#clear()" title="class or interface in java.util">clear</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
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 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;clone()</pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#clone()" title="class or interface in java.util">clone</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
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 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;put(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;key,
          <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val)</pre>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#put(K,%20V)" title="class or interface in java.util">put</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true#put(K,%20V)" title="class or interface in java.util">put</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></dd>
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 <h4>load</h4>
 <pre>public&nbsp;void&nbsp;load(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in)
           throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Loads the properties in <code>in</code>, according to the rules
  described in <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#load(java.io.Reader)" title="class or interface in java.util"><code>Properties.load(java.io.Reader)</code></a>. If <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.html#getAllowDuplicates()"><code>getAllowDuplicates()</code></a>
  returns <code>true</code>, this will throw a <a href="../../../../../org/apache/openjpa/lib/util/FormatPreservingProperties.DuplicateKeyException.html" title="class in org.apache.openjpa.lib.util"><code>FormatPreservingProperties.DuplicateKeyException</code></a> if duplicate property declarations are
  encountered.</div>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#load(java.io.InputStream)" title="class or interface in java.util">load</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></dd>
 <dt><span class="strong">Throws:</span></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd><dt><span class="strong">See Also:</span></dt><dd><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#load(java.io.Reader)" title="class or interface in java.util"><code>Properties.load(java.io.Reader)</code></a></dd></dl>
 </li>
 </ul>
 <a name="save(java.io.OutputStream, java.lang.String)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>save</h4>
 <pre>public&nbsp;void&nbsp;save(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;out,
         <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;header)</pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#save(java.io.OutputStream,%20java.lang.String)" title="class or interface in java.util">save</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="store(java.io.OutputStream, java.lang.String)">
 <!--   -->
 </a>
 <ul class="blockListLast">
 <li class="blockList">
 <h4>store</h4>
 <pre>public&nbsp;void&nbsp;store(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;out,
          <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;header)
            throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true#store(java.io.OutputStream,%20java.lang.String)" title="class or interface in java.util">store</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></dd>
 <dt><span class="strong">Throws:</span></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl>
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