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[Java] Only import buffers to generated codecs when required to reduce warnings.
1 parent 1eeee4a commit f541cc8

13 files changed

+70
-69
lines changed

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/java/JavaGenerator.java‎

Lines changed: 58 additions & 57 deletions
Original file line numberDiff line numberDiff line change
@@ -108,8 +108,7 @@ private static String validateBufferImplementation(
108108
}
109109
catch (final ClassNotFoundException ex)
110110
{
111-
throw new IllegalArgumentException(
112-
"Unable to validate " + fullyQualifiedBufferImplementation + " because it can't be found", ex);
111+
throw new IllegalArgumentException("Unable to find " + fullyQualifiedBufferImplementation, ex);
113112
}
114113
}
115114

@@ -198,7 +197,7 @@ private void generateEncoder(
198197

199198
try (Writer out = outputManager.createOutput(className))
200199
{
201-
out.append(generateMainHeader(ir.applicableNamespace()));
200+
out.append(generateMainHeader(ir.applicableNamespace(), ENCODER, !varData.isEmpty()));
202201

203202
generateAnnotations(BASE_INDENT, className, groups, out, 0, this::encoderName);
204203
out.append(generateDeclaration(className, implementsString, msgToken));
@@ -225,7 +224,7 @@ private void generateDecoder(
225224

226225
try (Writer out = outputManager.createOutput(className))
227226
{
228-
out.append(generateMainHeader(ir.applicableNamespace()));
227+
out.append(generateMainHeader(ir.applicableNamespace(), DECODER, !varData.isEmpty()));
229228

230229
generateAnnotations(BASE_INDENT, className, groups, out, 0, this::decoderName);
231230
out.append(generateDeclaration(className, implementsString, msgToken));
@@ -1546,37 +1545,41 @@ private String interfaceImportLine()
15461545
private CharSequence generateFileHeader(final String packageName, final String fqBuffer)
15471546
{
15481547
return
1549-
"/* Generated SBE (Simple Binary Encoding) message codec */\n" +
1548+
"/* Generated SBE (Simple Binary Encoding) message codec. */\n" +
15501549
"package " + packageName + ";\n\n" +
15511550
"import " + fqBuffer + ";\n" +
15521551
interfaceImportLine();
15531552
}
15541553

1555-
private CharSequence generateMainHeader(final String packageName)
1554+
private CharSequence generateMainHeader(
1555+
final String packageName, final CodecType codecType, final boolean hasVarData)
15561556
{
15571557
if (fqMutableBuffer.equals(fqReadOnlyBuffer))
15581558
{
15591559
return
1560-
"/* Generated SBE (Simple Binary Encoding) message codec */\n" +
1560+
"/* Generated SBE (Simple Binary Encoding) message codec. */\n" +
15611561
"package " + packageName + ";\n\n" +
15621562
"import " + fqMutableBuffer + ";\n" +
15631563
interfaceImportLine();
15641564
}
15651565
else
15661566
{
1567+
final boolean hasMutableBuffer = ENCODER == codecType || hasVarData;
1568+
final boolean hasReadOnlyBuffer = DECODER == codecType || hasVarData;
1569+
15671570
return
1568-
"/* Generated SBE (Simple Binary Encoding) message codec */\n" +
1571+
"/* Generated SBE (Simple Binary Encoding) message codec. */\n" +
15691572
"package " + packageName + ";\n\n" +
1570-
"import " + fqMutableBuffer + ";\n" +
1571-
"import " + fqReadOnlyBuffer + ";\n" +
1573+
(hasMutableBuffer ? "import " + fqMutableBuffer + ";\n" : "") +
1574+
(hasReadOnlyBuffer ? "import " + fqReadOnlyBuffer + ";\n" : "") +
15721575
interfaceImportLine();
15731576
}
15741577
}
15751578

15761579
private static CharSequence generateEnumFileHeader(final String packageName)
15771580
{
15781581
return
1579-
"/* Generated SBE (Simple Binary Encoding) message codec */\n" +
1582+
"/* Generated SBE (Simple Binary Encoding) message codec. */\n" +
15801583
"package " + packageName + ";\n\n";
15811584
}
15821585

@@ -3138,27 +3141,26 @@ private CharSequence generateCompositeEncoderDisplay(final String decoderName)
31383141

31393142
private CharSequence generateCompositeDecoderDisplay(final List<Token> tokens)
31403143
{
3141-
final String indent = INDENT;
31423144
final StringBuilder sb = new StringBuilder();
31433145

3144-
appendToString(sb, indent);
3146+
appendToString(sb, INDENT);
31453147
sb.append('\n');
3146-
append(sb, indent, "public StringBuilder appendTo(final StringBuilder builder)");
3147-
append(sb, indent, "{");
3148-
append(sb, indent, " if (null == buffer)");
3149-
append(sb, indent, " {");
3150-
append(sb, indent, " return builder;");
3151-
append(sb, indent, " }");
3148+
append(sb, INDENT, "public StringBuilder appendTo(final StringBuilder builder)");
3149+
append(sb, INDENT, "{");
3150+
append(sb, INDENT, " if (null == buffer)");
3151+
append(sb, INDENT, " {");
3152+
append(sb, INDENT, " return builder;");
3153+
append(sb, INDENT, " }");
31523154
sb.append('\n');
3153-
Separators.BEGIN_COMPOSITE.appendToGeneratedBuilder(sb, indent + INDENT, "builder");
3155+
Separators.BEGIN_COMPOSITE.appendToGeneratedBuilder(sb, INDENT + INDENT, "builder");
31543156

31553157
int lengthBeforeLastGeneratedSeparator = -1;
31563158

31573159
for (int i = 1, end = tokens.size() - 1; i < end;)
31583160
{
31593161
final Token encodingToken = tokens.get(i);
31603162
final String propertyName = formatPropertyName(encodingToken.name());
3161-
lengthBeforeLastGeneratedSeparator = writeTokenDisplay(propertyName, encodingToken, sb, indent + INDENT);
3163+
lengthBeforeLastGeneratedSeparator = writeTokenDisplay(propertyName, encodingToken, sb, INDENT + INDENT);
31623164
i += encodingToken.componentTokenCount();
31633165
}
31643166

@@ -3167,10 +3169,10 @@ private CharSequence generateCompositeDecoderDisplay(final List<Token> tokens)
31673169
sb.setLength(lengthBeforeLastGeneratedSeparator);
31683170
}
31693171

3170-
Separators.END_COMPOSITE.appendToGeneratedBuilder(sb, indent + INDENT, "builder");
3172+
Separators.END_COMPOSITE.appendToGeneratedBuilder(sb, INDENT + INDENT, "builder");
31713173
sb.append('\n');
3172-
append(sb, indent, " return builder;");
3173-
append(sb, indent, "}");
3174+
append(sb, INDENT, " return builder;");
3175+
append(sb, INDENT, "}");
31743176

31753177
return sb;
31763178
}
@@ -3219,45 +3221,44 @@ private void generateDecoderDisplay(
32193221
final List<Token> groups,
32203222
final List<Token> varData)
32213223
{
3222-
final String indent = INDENT;
32233224
final String decoderName = decoderName(name);
32243225

3225-
appendMessageToString(sb, indent, decoderName);
3226+
appendMessageToString(sb, INDENT, decoderName);
32263227
sb.append('\n');
3227-
append(sb, indent, "public StringBuilder appendTo(final StringBuilder builder)");
3228-
append(sb, indent, "{");
3229-
append(sb, indent, " if (null == buffer)");
3230-
append(sb, indent, " {");
3231-
append(sb, indent, " return builder;");
3232-
append(sb, indent, " }");
3228+
append(sb, INDENT, "public StringBuilder appendTo(final StringBuilder builder)");
3229+
append(sb, INDENT, "{");
3230+
append(sb, INDENT, " if (null == buffer)");
3231+
append(sb, INDENT, " {");
3232+
append(sb, INDENT, " return builder;");
3233+
append(sb, INDENT, " }");
32333234
sb.append('\n');
3234-
append(sb, indent, " final int originalLimit = limit();");
3235-
append(sb, indent, " limit(initialOffset + actingBlockLength);");
3236-
append(sb, indent, " builder.append(\"[" + name + "](sbeTemplateId=\");");
3237-
append(sb, indent, " builder.append(TEMPLATE_ID);");
3238-
append(sb, indent, " builder.append(\"|sbeSchemaId=\");");
3239-
append(sb, indent, " builder.append(SCHEMA_ID);");
3240-
append(sb, indent, " builder.append(\"|sbeSchemaVersion=\");");
3241-
append(sb, indent, " if (parentMessage.actingVersion != SCHEMA_VERSION)");
3242-
append(sb, indent, " {");
3243-
append(sb, indent, " builder.append(parentMessage.actingVersion);");
3244-
append(sb, indent, " builder.append('/');");
3245-
append(sb, indent, " }");
3246-
append(sb, indent, " builder.append(SCHEMA_VERSION);");
3247-
append(sb, indent, " builder.append(\"|sbeBlockLength=\");");
3248-
append(sb, indent, " if (actingBlockLength != BLOCK_LENGTH)");
3249-
append(sb, indent, " {");
3250-
append(sb, indent, " builder.append(actingBlockLength);");
3251-
append(sb, indent, " builder.append('/');");
3252-
append(sb, indent, " }");
3253-
append(sb, indent, " builder.append(BLOCK_LENGTH);");
3254-
append(sb, indent, " builder.append(\"):\");");
3255-
appendDecoderDisplay(sb, tokens, groups, varData, indent + INDENT);
3235+
append(sb, INDENT, " final int originalLimit = limit();");
3236+
append(sb, INDENT, " limit(initialOffset + actingBlockLength);");
3237+
append(sb, INDENT, " builder.append(\"[" + name + "](sbeTemplateId=\");");
3238+
append(sb, INDENT, " builder.append(TEMPLATE_ID);");
3239+
append(sb, INDENT, " builder.append(\"|sbeSchemaId=\");");
3240+
append(sb, INDENT, " builder.append(SCHEMA_ID);");
3241+
append(sb, INDENT, " builder.append(\"|sbeSchemaVersion=\");");
3242+
append(sb, INDENT, " if (parentMessage.actingVersion != SCHEMA_VERSION)");
3243+
append(sb, INDENT, " {");
3244+
append(sb, INDENT, " builder.append(parentMessage.actingVersion);");
3245+
append(sb, INDENT, " builder.append('/');");
3246+
append(sb, INDENT, " }");
3247+
append(sb, INDENT, " builder.append(SCHEMA_VERSION);");
3248+
append(sb, INDENT, " builder.append(\"|sbeBlockLength=\");");
3249+
append(sb, INDENT, " if (actingBlockLength != BLOCK_LENGTH)");
3250+
append(sb, INDENT, " {");
3251+
append(sb, INDENT, " builder.append(actingBlockLength);");
3252+
append(sb, INDENT, " builder.append('/');");
3253+
append(sb, INDENT, " }");
3254+
append(sb, INDENT, " builder.append(BLOCK_LENGTH);");
3255+
append(sb, INDENT, " builder.append(\"):\");");
3256+
appendDecoderDisplay(sb, tokens, groups, varData, INDENT + INDENT);
32563257
sb.append('\n');
3257-
append(sb, indent, " limit(originalLimit);");
3258+
append(sb, INDENT, " limit(originalLimit);");
32583259
sb.append('\n');
3259-
append(sb, indent, " return builder;");
3260-
append(sb, indent, "}");
3260+
append(sb, INDENT, " return builder;");
3261+
append(sb, INDENT, "}");
32613262
}
32623263

32633264
private void appendGroupInstanceDecoderDisplay(

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/ByteOrderCodec.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
/**

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/FrameCodecDecoder.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
import org.agrona.MutableDirectBuffer;

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/FrameCodecEncoder.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
import org.agrona.MutableDirectBuffer;

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/MessageHeaderDecoder.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
import org.agrona.DirectBuffer;

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/MessageHeaderEncoder.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
import org.agrona.MutableDirectBuffer;

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/PresenceCodec.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
/**

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/PrimitiveTypeCodec.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
/**

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/SignalCodec.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
/**

‎sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/TokenCodecDecoder.java‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* Generated SBE (Simple Binary Encoding) message codec */
1+
/* Generated SBE (Simple Binary Encoding) message codec. */
22
package uk.co.real_logic.sbe.ir.generated;
33

44
import org.agrona.MutableDirectBuffer;

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