Bug 6867: Extend yang statement parser to support different yang versions

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / YangVersionStatementImpl.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangVersionStatementImpl.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangVersionStatementImpl.java
index 2a6a14a54e7c18ee07a9fe181d3e911af95cc914..34619c698de700fee7bac293805340db4ca2c2f3 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangVersionStatementImpl.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangVersionStatementImpl.java
@@ -8,6 +8,7 @@
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
 import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.common.YangVersion;
 import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.YangVersionStatement;
@@ -15,50 +16,61 @@ import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.YangVersionEffectiveStatementImpl;
 
-public class YangVersionStatementImpl extends AbstractDeclaredStatement<String> implements YangVersionStatement {
+public class YangVersionStatementImpl extends AbstractDeclaredStatement<YangVersion> implements YangVersionStatement {
     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(Rfc6020Mapping
             .YANG_VERSION)
             .build();
 
-    protected YangVersionStatementImpl(StmtContext<String, YangVersionStatement, ?> context) {
+    protected YangVersionStatementImpl(final StmtContext<YangVersion, YangVersionStatement, ?> context) {
         super(context);
     }
 
-    public static class Definition extends AbstractStatementSupport<String,YangVersionStatement,
-            EffectiveStatement<String,YangVersionStatement>> {
+    public static class Definition extends AbstractStatementSupport<YangVersion, YangVersionStatement,
+            EffectiveStatement<YangVersion, YangVersionStatement>> {
 
         public Definition() {
             super(Rfc6020Mapping.YANG_VERSION);
         }
 
         @Override
-        public String parseArgumentValue(StmtContext<?, ?, ?> ctx, String value) {
-            return value;
+        public YangVersion parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
+            try {
+                return YangVersion.parse(value);
+            } catch (IllegalArgumentException e) {
+                throw new SourceException("Unsupported YANG version " + value, ctx.getStatementSourceReference(), e);
+            }
         }
 
         @Override
-        public YangVersionStatement createDeclared(StmtContext<String, YangVersionStatement, ?> ctx) {
+        public YangVersionStatement createDeclared(final StmtContext<YangVersion, YangVersionStatement, ?> ctx) {
             return new YangVersionStatementImpl(ctx);
         }
 
         @Override
-        public EffectiveStatement<String, YangVersionStatement> createEffective
-                (StmtContext<String, YangVersionStatement, EffectiveStatement<String, YangVersionStatement>> ctx) {
+        public void onPreLinkageDeclared(
+                final StmtContext.Mutable<YangVersion, YangVersionStatement, EffectiveStatement<YangVersion, YangVersionStatement>> stmt) {
+            stmt.setRootVersion(stmt.getStatementArgument());
+        }
+
+        @Override
+        public EffectiveStatement<YangVersion, YangVersionStatement> createEffective
+                (final StmtContext<YangVersion, YangVersionStatement, EffectiveStatement<YangVersion, YangVersionStatement>> ctx) {
             return new YangVersionEffectiveStatementImpl(ctx);
         }
 
         @Override
-        public void onFullDefinitionDeclared(StmtContext.Mutable<String, YangVersionStatement,
-                EffectiveStatement<String, YangVersionStatement>> stmt) {
+        public void onFullDefinitionDeclared(final StmtContext.Mutable<YangVersion, YangVersionStatement,
+                EffectiveStatement<YangVersion, YangVersionStatement>> stmt) {
             super.onFullDefinitionDeclared(stmt);
             SUBSTATEMENT_VALIDATOR.validate(stmt);
         }
     }
 
     @Nonnull @Override
-    public String getValue() {
-        return rawArgument();
+    public YangVersion getValue() {
+        return argument();
     }
 }