modules/oji/src/nsJVMConfigManagerUnix.h

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  15  * The Original Code is mozilla.org code.
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  18  * Portions created by the Initial Developer are Copyright (C) 2003
  19  * the Initial Developer. All Rights Reserved.
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  21  * Contributor(s):
  22  *   Pete Zha <pete.zha@sun.com> (original author)
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  24  * Alternatively, the contents of this file may be used under the terms of
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  37
  38 #ifndef nsJVMConfigManagerUnix_h___
  39 #define nsJVMConfigManagerUnix_h___
  40
  41 #include "nsJVMConfigManager.h"
  42 #include "nsString.h"
  43 #include "nsILineInputStream.h"
  44 #include "nsHashtable.h"
  45 #include "nsIFile.h"
  46 #include "nsILocalFile.h"
  47 #include "nsIFileStreams.h"
  48
  49 class nsJVMConfigManagerUnix : public nsIJVMConfigManager
  50 {
  51 public:
  52     NS_DECL_ISUPPORTS
  53     NS_DECL_NSIJVMCONFIGMANAGER
  54
  55     nsJVMConfigManagerUnix();
  56     virtual ~nsJVMConfigManagerUnix();
  57
  58 protected:
  59     nsresult InitJVMConfigList();
  60
  61     void ClearJVMConfigList();
  62
  63     nsresult InitJVMConfigList(nsILineInputStream* aGlobal,
  64                                nsILineInputStream* aPrivate);
  65
  66     /**
  67      * Parse a stream for information about Java installation(s).
  68      */
  69     nsresult ParseStream(nsILineInputStream* aStream);
  70
  71     /**
  72      * Parse a line for information about a Java installation, and ensure its
  73      * JVMConfig is in our JVMConfigList."
  74      * A line looks like this:
  75      * "version=1.4.2 | type=jre | os=linux | arch=i386 | ......"
  76      */
  77
  78     nsresult ParseLine(nsAString& aLine);
  79
  80     /**
  81      * Search for Java installations in the default location.
  82      */
  83     nsresult SearchDefault();
  84
  85     /**
  86      * Search a specific directory to see if there are Java installations.
  87      */
  88     nsresult SearchDirectory(nsAString& aDirName);
  89
  90     /**
  91      * Add a directory to the Java configuration list if
  92      * it contains a java installation.
  93      */
  94     nsresult AddDirectory(nsIFile* aHomeDir);
  95
  96     nsresult AddDirectory(nsAString& aHomeDirName);
  97
  98     /**
  99      * Get a value by specific key from the line. A line should look like this:
 100      * key=value | key2=value2 | key3=value3
 101      * Please see the proposal in bug 185000 for more detail about the format.
 102      */
 103     static PRBool GetValueFromLine(nsAString& aLine, const char* aKey,
 104                                    nsAString& _retval);
 105
 106     static nsresult GetLineInputStream(nsIFile* aFile,
 107                                        nsILineInputStream** _retval);
 108
 109     /**
 110      * Get value of mozilla<version>.plugin.path from a line
 111      */
 112     static nsresult GetMozillaPluginPath(nsAString& aLine, nsAString& _retval);
 113
 114     /**
 115      * Get agent version by string
 116      */
 117     static nsresult GetAgentVersion(nsCAutoString& _retval);
 118
 119     /**
 120      * Get agent version by float
 121      */
 122     static nsresult GetAgentVersion(float* _retval);
 123
 124     static nsresult GetNSVersion(nsAString& _retval);
 125
 126     /**
 127      * Check for existing arch directory.
 128      */
 129     static PRBool TestArch(nsILocalFile* aPluginPath, nsAString& aArch);
 130
 131     /**
 132      * Check for existing NS version directory.
 133      */
 134     static PRBool TestNSVersion(nsILocalFile* aArchPath, nsAString& aNSVersion);
 135
 136     /**
 137      * Test if a specific node in the base directory exists.
 138      */
 139     static PRBool TestExists(nsILocalFile* aBaseDir, nsAString& aSubName);
 140
 141     /**
 142      * The table to store the config list.
 143      */
 144     nsHashtable mJVMConfigList;
 145 };
 146
 147 #endif // nsJVMConfigManagerUnix_h___