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Prefer ImmutableMap for static ErrorCode map 

Also mark member as final and fix line wrapping.
This commit is contained in:
Andrew Gaul 2012-05-03 15:38:21 -07:00
parent 19390ea87d
commit b0cd47befb
1 changed files with 29 additions and 12 deletions
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41
labs/virtualbox/src/main/java/org/jclouds/virtualbox/domain/ErrorCode.java
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@ -19,12 +19,13 @@
package org.jclouds.virtualbox.domain; package org.jclouds.virtualbox.domain;
import java.util.HashMap;
import java.util.Map; import java.util.Map;
import org.virtualbox_4_1.VBoxException; import org.virtualbox_4_1.VBoxException;
import org.virtualbox_4_1.jaxws.RuntimeFaultMsg; import org.virtualbox_4_1.jaxws.RuntimeFaultMsg;
import com.google.common.collect.ImmutableMap;
/** /**
* Maps the error codes in the Virtual Box Java API into enum values. * Maps the error codes in the Virtual Box Java API into enum values.
* <p/> * <p/>
@ -47,25 +48,41 @@ import org.virtualbox_4_1.jaxws.RuntimeFaultMsg;
*/ */
public enum ErrorCode { public enum ErrorCode {
VBOX_E_OBJECT_NOT_FOUND(2159738881L), VBOX_E_INVALID_VM_STATE(2159738882L), VBOX_E_VM_ERROR(2159738883L), VBOX_E_FILE_ERROR( VBOX_E_OBJECT_NOT_FOUND(2159738881L),
2159738884L), VBOX_E_IPRT_ERROR(2159738885L), VBOX_E_PDM_ERROR(2159738886L), VBOX_E_INVALID_OBJECT_STATE( VBOX_E_INVALID_VM_STATE(2159738882L),
2159738887L), VBOX_E_HOST_ERROR(2159738888L), VBOX_E_NOT_SUPPORTED(2159738889L), VBOX_E_XML_ERROR(2159738890L), VBOX_E_INVALID_SESSION_STATE( VBOX_E_VM_ERROR(2159738883L),
2159738891L), VBOX_E_OBJECT_IN_USE(2159738892L), VBOX_E_ACCESSDENIED(2147942405L), VBOX_E_POINTER(2147500035L), VBOX_E_FAIL( VBOX_E_FILE_ERROR(2159738884L),
2147500037L), VBOX_E_NOTIMPL(2147500033L), VBOX_E_OUTOFMEMORY(2147942414L), VBOX_E_INVALIDARG(2147942487L), VBOX_E_UNEXPECTED( VBOX_E_IPRT_ERROR(2159738885L),
2147549183L), VBOX_E_UNKNOWN_ERROR_CODE(-1L), VBOX_E_ERROR_CODE_UNAVAILABLE(-2L); VBOX_E_PDM_ERROR(2159738886L),
VBOX_E_INVALID_OBJECT_STATE(2159738887L),
VBOX_E_HOST_ERROR(2159738888L),
VBOX_E_NOT_SUPPORTED(2159738889L),
VBOX_E_XML_ERROR(2159738890L),
VBOX_E_INVALID_SESSION_STATE(2159738891L),
VBOX_E_OBJECT_IN_USE(2159738892L),
VBOX_E_ACCESSDENIED(2147942405L),
VBOX_E_POINTER(2147500035L),
VBOX_E_FAIL(2147500037L),
VBOX_E_NOTIMPL(2147500033L),
VBOX_E_OUTOFMEMORY(2147942414L),
VBOX_E_INVALIDARG(2147942487L),
VBOX_E_UNEXPECTED(2147549183L),
VBOX_E_UNKNOWN_ERROR_CODE(-1L),
VBOX_E_ERROR_CODE_UNAVAILABLE(-2L);
private long code; private final long code;
ErrorCode(long code) { ErrorCode(long code) {
this.code = code; this.code = code;
} }
private static Map<Long, ErrorCode> table = new HashMap<Long, ErrorCode>(); private final static Map<Long, ErrorCode> TABLE;
static { static {
ImmutableMap.Builder<Long, ErrorCode> builder = ImmutableMap.builder();
for (ErrorCode errorCode : ErrorCode.values()) { for (ErrorCode errorCode : ErrorCode.values()) {
table.put(errorCode.code, errorCode); builder.put(errorCode.code, errorCode);
} }
TABLE = builder.build();
} }
/** /**
@ -80,7 +97,7 @@ public enum ErrorCode {
if (backend instanceof RuntimeFaultMsg) { if (backend instanceof RuntimeFaultMsg) {
final RuntimeFaultMsg faultCode = (RuntimeFaultMsg) backend; final RuntimeFaultMsg faultCode = (RuntimeFaultMsg) backend;
final int resultCode = faultCode.getFaultInfo().getResultCode(); final int resultCode = faultCode.getFaultInfo().getResultCode();
final ErrorCode errorCode = table.get(unsignedIntToLong(resultCode)); final ErrorCode errorCode = TABLE.get(unsignedIntToLong(resultCode));
if (errorCode != null) { if (errorCode != null) {
return errorCode; return errorCode;
} }