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| org.apache.shiro.util</FONT> |
| <BR> |
| Class JavaEnvironment</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.shiro.util.JavaEnvironment</B> |
| </PRE> |
| <HR> |
| <DL> |
| <DT><PRE>public abstract class <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.35"><B>JavaEnvironment</B></A><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> |
| </PRE> |
| |
| <P> |
| Internal helper class used to find the Java/JDK version |
| that Shiro is operating within, to allow for automatically |
| adapting to the present platform's capabilities. |
| |
| <p>Note that Shiro does not support 1.2 or earlier JVMs - only 1.3 and later. |
| |
| <p><em>This class was borrowed and heavily based upon a nearly identical version found in |
| the <a href="http://www.springframework.org/">Spring Framework</a>, with minor modifications. |
| The original author names and copyright (Apache 2.0) has been left in place. A special |
| thanks to Rod Johnson, Juergen Hoeller, and Rick Evans for making this available.</em> |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>0.2</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Field Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_13">JAVA_13</A></B></CODE> |
| |
| <BR> |
| Constant identifying the 1.3.x JVM (JDK 1.3).</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_14">JAVA_14</A></B></CODE> |
| |
| <BR> |
| Constant identifying the 1.4.x JVM (J2SE 1.4).</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_15">JAVA_15</A></B></CODE> |
| |
| <BR> |
| Constant identifying the 1.5 JVM (Java 5).</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_16">JAVA_16</A></B></CODE> |
| |
| <BR> |
| Constant identifying the 1.6 JVM (Java 6).</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_17">JAVA_17</A></B></CODE> |
| |
| <BR> |
| Constant identifying the 1.7 JVM.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JavaEnvironment()">JavaEnvironment</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#getMajorVersion()">getMajorVersion</A></B>()</CODE> |
| |
| <BR> |
| Get the major version code.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#getVersion()">getVersion</A></B>()</CODE> |
| |
| <BR> |
| Return the full Java version string, as returned by |
| <code>System.getProperty("java.version")</code>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#isAtLeastVersion14()">isAtLeastVersion14</A></B>()</CODE> |
| |
| <BR> |
| Convenience method to determine if the current JVM is at least Java 1.4.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#isAtLeastVersion15()">isAtLeastVersion15</A></B>()</CODE> |
| |
| <BR> |
| Convenience method to determine if the current JVM is at least |
| Java 1.5 (Java 5).</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#isAtLeastVersion16()">isAtLeastVersion16</A></B>()</CODE> |
| |
| <BR> |
| Convenience method to determine if the current JVM is at least |
| Java 1.6 (Java 6).</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.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://java.sun.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://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.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://java.sun.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://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.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://java.sun.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://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="JAVA_13"><!-- --></A><H3> |
| JAVA_13</H3> |
| <PRE> |
| public static final int <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.40"><B>JAVA_13</B></A></PRE> |
| <DL> |
| <DD>Constant identifying the 1.3.x JVM (JDK 1.3). |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.shiro.util.JavaEnvironment.JAVA_13">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="JAVA_14"><!-- --></A><H3> |
| JAVA_14</H3> |
| <PRE> |
| public static final int <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.45"><B>JAVA_14</B></A></PRE> |
| <DL> |
| <DD>Constant identifying the 1.4.x JVM (J2SE 1.4). |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.shiro.util.JavaEnvironment.JAVA_14">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="JAVA_15"><!-- --></A><H3> |
| JAVA_15</H3> |
| <PRE> |
| public static final int <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.50"><B>JAVA_15</B></A></PRE> |
| <DL> |
| <DD>Constant identifying the 1.5 JVM (Java 5). |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.shiro.util.JavaEnvironment.JAVA_15">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="JAVA_16"><!-- --></A><H3> |
| JAVA_16</H3> |
| <PRE> |
| public static final int <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.55"><B>JAVA_16</B></A></PRE> |
| <DL> |
| <DD>Constant identifying the 1.6 JVM (Java 6). |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.shiro.util.JavaEnvironment.JAVA_16">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="JAVA_17"><!-- --></A><H3> |
| JAVA_17</H3> |
| <PRE> |
| public static final int <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.60"><B>JAVA_17</B></A></PRE> |
| <DL> |
| <DD>Constant identifying the 1.7 JVM. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.shiro.util.JavaEnvironment.JAVA_17">Constant Field Values</A></DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="JavaEnvironment()"><!-- --></A><H3> |
| JavaEnvironment</H3> |
| <PRE> |
| public <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.35"><B>JavaEnvironment</B></A>()</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="getVersion()"><!-- --></A><H3> |
| getVersion</H3> |
| <PRE> |
| public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.101"><B>getVersion</B></A>()</PRE> |
| <DL> |
| <DD>Return the full Java version string, as returned by |
| <code>System.getProperty("java.version")</code>. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>the full Java version string<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/System.html?is-external=true#getProperty(java.lang.String)" title="class or interface in java.lang"><CODE>System.getProperty(String)</CODE></A></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getMajorVersion()"><!-- --></A><H3> |
| getMajorVersion</H3> |
| <PRE> |
| public static int <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.116"><B>getMajorVersion</B></A>()</PRE> |
| <DL> |
| <DD>Get the major version code. This means we can do things like |
| <code>if (getMajorVersion() < JAVA_14)</code>. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>a code comparable to the JAVA_XX codes in this class<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_13"><CODE>JAVA_13</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_14"><CODE>JAVA_14</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_15"><CODE>JAVA_15</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_16"><CODE>JAVA_16</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_17"><CODE>JAVA_17</CODE></A></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isAtLeastVersion14()"><!-- --></A><H3> |
| isAtLeastVersion14</H3> |
| <PRE> |
| public static boolean <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.130"><B>isAtLeastVersion14</B></A>()</PRE> |
| <DL> |
| <DD>Convenience method to determine if the current JVM is at least Java 1.4. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD><code>true</code> if the current JVM is at least Java 1.4<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#getMajorVersion()"><CODE>getMajorVersion()</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_14"><CODE>JAVA_14</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_15"><CODE>JAVA_15</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_16"><CODE>JAVA_16</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_17"><CODE>JAVA_17</CODE></A></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isAtLeastVersion15()"><!-- --></A><H3> |
| isAtLeastVersion15</H3> |
| <PRE> |
| public static boolean <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.144"><B>isAtLeastVersion15</B></A>()</PRE> |
| <DL> |
| <DD>Convenience method to determine if the current JVM is at least |
| Java 1.5 (Java 5). |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD><code>true</code> if the current JVM is at least Java 1.5<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#getMajorVersion()"><CODE>getMajorVersion()</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_15"><CODE>JAVA_15</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_16"><CODE>JAVA_16</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_17"><CODE>JAVA_17</CODE></A></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isAtLeastVersion16()"><!-- --></A><H3> |
| isAtLeastVersion16</H3> |
| <PRE> |
| public static boolean <A HREF="../../../../src-html/org/apache/shiro/util/JavaEnvironment.html#line.160"><B>isAtLeastVersion16</B></A>()</PRE> |
| <DL> |
| <DD>Convenience method to determine if the current JVM is at least |
| Java 1.6 (Java 6). |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD><code>true</code> if the current JVM is at least Java 1.6<DT><B>Since:</B></DT> |
| <DD>1.2</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#getMajorVersion()"><CODE>getMajorVersion()</CODE></A>, |
| <A HREF="../../../../org/apache/shiro/util/JavaEnvironment.html#JAVA_15"><CODE>JAVA_15</CODE></A>, |
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