author | Medo <smaxein@googlemail.com> |
Tue, 17 Jul 2012 22:27:16 +0200 | |
changeset 7332 | 3f2e130f9715 |
parent 7328 | cd919a2ead4e |
permissions | -rw-r--r-- |
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package org.hedgewars.hedgeroid.netplay; |
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import java.io.UnsupportedEncodingException; |
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import com.sun.jna.DefaultTypeMapper; |
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import com.sun.jna.FromNativeContext; |
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import com.sun.jna.FromNativeConverter; |
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import com.sun.jna.Native; |
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import com.sun.jna.Pointer; |
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import com.sun.jna.ToNativeContext; |
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import com.sun.jna.ToNativeConverter; |
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import com.sun.jna.TypeConverter; |
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import com.sun.jna.TypeMapper; |
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public class FrontlibTypeMapper extends DefaultTypeMapper { |
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public static final TypeMapper INSTANCE = new FrontlibTypeMapper(); |
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protected FrontlibTypeMapper() { |
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addTypeConverter(Boolean.class, new BooleanConverter()); |
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addToNativeConverter(String.class, new StringToNativeConverter()); |
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addFromNativeConverter(String.class, new StringFromNativeConverter()); |
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} |
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} |
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class BooleanConverter implements TypeConverter { |
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public Class<Byte> nativeType() { |
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return Byte.class; |
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} |
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public Object fromNative(Object value, FromNativeContext context) { |
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return ((Byte)value).intValue() != 0 ? Boolean.TRUE : Boolean.FALSE; |
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} |
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public Object toNative(Object value, ToNativeContext context) { |
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return Byte.valueOf((byte)(Boolean.TRUE.equals(value) ? 1 : 0)); |
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} |
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} |
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class StringToNativeConverter implements ToNativeConverter { |
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public byte[] toNative(Object value, ToNativeContext context) { |
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try { |
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return value==null ? null : Native.toByteArray((String)value, "UTF-8"); |
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} catch (UnsupportedEncodingException e) { |
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throw new AssertionError(e); // Never happens |
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} |
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} |
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public Class<byte[]> nativeType() { |
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return byte[].class; |
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} |
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} |
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class StringFromNativeConverter implements FromNativeConverter { |
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public String fromNative(Object value, FromNativeContext context) { |
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Pointer p = (Pointer)value; |
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if(p==null) { |
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return null; |
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} |
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int i=0; |
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while(p.getByte(i) != 0) { |
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i++; |
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} |
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try { |
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return new String(p.getByteArray(0, i), "UTF-8"); |
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} catch (UnsupportedEncodingException e) { |
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throw new AssertionError(e); // Never happens |
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} |
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} |
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public Class<Pointer> nativeType() { |
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return Pointer.class; |
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} |
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} |