1 files changed, 165 insertions, 0 deletions
diff --git a/netx/net/sourceforge/jnlp/JREDesc.java b/netx/net/sourceforge/jnlp/JREDesc.java
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+++ b/netx/net/sourceforge/jnlp/JREDesc.java
@@ -0,0 +1,165 @@
+// Copyright (C) 2001-2003 Jon A. Maxwell (JAM)
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+
+package net.sourceforge.jnlp;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import net.sourceforge.jnlp.runtime.JNLPRuntime;
+
+/**
+ * The J2SE/Java element.
+ *
+ * @author <a href="mailto:[email protected]">Jon A. Maxwell (JAM)</a> - initial author
+ * @version $Revision: 1.5 $
+ */
+public class JREDesc {
+
+    /** the platform version or the product version if location is not null */
+    private Version version;
+
+    /** the location of a JRE product or null */
+    private URL location;
+
+    /** inital heap size */
+    private String initialHeapSize;
+
+    /** maximum head size */
+    private String maximumHeapSize;
+
+    /** args to pass to the vm */
+    private String vmArgs;
+
+    /** list of ResourceDesc objects */
+    private List resources;
+
+
+    /**
+     * Create a JRE descriptor.
+     *
+     * @param version the platform version or the product version
+     * if location is not null
+     * @param location the location of a JRE product or null
+     * @param initialHeapSize inital heap size
+     * @param maximumHeadSize maximum head size
+     * @param resources list of ResourceDesc objects
+     */
+    public JREDesc(Version version, URL location,
+            String vmArgs, String initialHeapSize,
+            String maximumHeapSize, List resources) throws ParseException {
+        this.version = version;
+        this.location = location;
+        this.vmArgs = vmArgs;
+        checkHeapSize(initialHeapSize);
+        this.initialHeapSize = initialHeapSize;
+        checkHeapSize(maximumHeapSize);
+        this.maximumHeapSize = maximumHeapSize;
+        this.resources = resources;
+    }
+
+    /**
+     * Returns the JRE version.  Use isPlatformVersion to
+     * determine if this version corresponds to a platform or
+     * product version.
+     */
+    public Version getVersion() {
+        return version;
+    }
+
+    /**
+     * Returns true if the JRE version is a Java platform version
+     * (java.specification.version property) or false if it is a
+     * product version (java.version property).
+     */
+    public boolean isPlatformVersion() {
+        return getLocation() == null;
+    }
+
+    /**
+     * Returns the JRE version string.
+     */
+    public URL getLocation() {
+        return location;
+    }
+
+    /**
+     * Returns the maximum heap size in bytes.
+     */
+    public String getMaximumHeapSize() {
+        return maximumHeapSize;
+    }
+
+    /**
+     * Returns the initial heap size in bytes.
+     */
+    public String getInitialHeapSize() {
+        return initialHeapSize;
+    }
+
+    /**
+     * Returns the resources defined for this JRE.
+     */
+    public List getResourcesDesc() {
+        return resources;
+    }
+
+    /**
+     * Returns the additional arguments to pass to the Java VM
+     * Can be null
+     */
+    public String getVMArgs() {
+        return vmArgs;
+    }
+
+    /**
+     * Check for valid heap size string
+     * @throws ParseException if heapSize is invalid
+     */
+    static private void checkHeapSize(String heapSize) throws ParseException {
+        // need to implement for completeness even though not used in netx
+        if (heapSize == null) {
+            return;
+        }
+
+        boolean lastCharacterIsDigit = true;
+        // the last character must be 0-9 or k/K/m/M
+        char lastChar = Character.toLowerCase(heapSize.charAt(heapSize.length()-1));
+        if ((lastChar < '0' || lastChar > '9')) {
+            lastCharacterIsDigit = false;
+            if (lastChar != 'k' && lastChar!= 'm' ) {
+                throw new ParseException(JNLPRuntime.getMessage("PBadHeapSize",new Object[] {heapSize}));
+            }
+        }
+
+        int indexOfLastDigit = heapSize.length() - 1;
+        if (!lastCharacterIsDigit) {
+            indexOfLastDigit = indexOfLastDigit - 1;
+        }
+
+        String size = heapSize.substring(0,indexOfLastDigit);
+        try {
+            // check that the number is a number!
+            Integer.valueOf(size);
+        } catch (NumberFormatException numberFormat) {
+            throw new ParseException(JNLPRuntime.getMessage("PBadHeapSize", new Object[] {heapSize}), numberFormat);
+        }
+
+    }
+
+}