Do not use exceptions for branching

[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / stmt / extension / UnrecognizedEffectiveStatementImpl.java

diff --git a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/extension/UnrecognizedEffectiveStatementImpl.java b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/extension/UnrecognizedEffectiveStatementImpl.java
index 72335e64b9d0da4d36972d7e10269905408d9c2e..1f02d8b98a356d031e8e7cfdf246c6b67d51e33f 100644 (file)
--- a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/extension/UnrecognizedEffectiveStatementImpl.java
+++ b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/extension/UnrecognizedEffectiveStatementImpl.java
@@ -7,41 +7,55 @@
  */
 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.extension;
 
-import java.util.Objects;
+import com.google.common.collect.ImmutableList;
 import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.common.AbstractQName;
 import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.QNameModule;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
 import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedStatement;
 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.UnknownEffectiveStatementBase;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 final class UnrecognizedEffectiveStatementImpl extends UnknownEffectiveStatementBase<String, UnrecognizedStatement>
         implements UnrecognizedEffectiveStatement {
+    private static final Logger LOG = LoggerFactory.getLogger(UnrecognizedEffectiveStatementImpl.class);
 
     private final QName maybeQNameArgument;
     private final @NonNull SchemaPath path;
 
-    UnrecognizedEffectiveStatementImpl(final StmtContext<String, UnrecognizedStatement, ?> ctx) {
-        super(ctx);
+    UnrecognizedEffectiveStatementImpl(final @NonNull UnrecognizedStatement declared,
+            final @NonNull ImmutableList<? extends EffectiveStatement<?, ?>> substatements,
+            final StmtContext<String, UnrecognizedStatement, ?> ctx) {
+        super(ctx.getStatementArgument(), declared, substatements, ctx);
 
         // FIXME: Remove following section after fixing 4380
         final UnknownSchemaNode original = (UnknownSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective)
                 .orElse(null);
-        if (original != null) {
-            this.maybeQNameArgument = original.getQName();
+        if (original == null) {
+            final QName qname = qnameFromArgument(ctx);
+            maybeQNameArgument = qname != null ? qname : getNodeType();
         } else {
-            QName maybeQNameArgumentInit = null;
-            try {
-                maybeQNameArgumentInit = StmtContextUtils.qnameFromArgument(ctx, argument());
-            } catch (IllegalArgumentException e) {
-                maybeQNameArgumentInit = getNodeType();
-            }
-            this.maybeQNameArgument = maybeQNameArgumentInit;
+            maybeQNameArgument = original.getQName();
+        }
+
+        SchemaPath maybePath;
+        try {
+            maybePath = ctx.coerceParentContext().getSchemaPath()
+                    .map(parentPath -> parentPath.createChild(maybeQNameArgument)).orElse(null);
+        } catch (IllegalArgumentException | SourceException e) {
+            LOG.debug("Cannot construct path for {}, attempting to recover", ctx, e);
+            maybePath = null;
         }
-        path = ctx.getParentContext().getSchemaPath().get().createChild(maybeQNameArgument);
+        path = maybePath;
     }
 
     @Override
@@ -50,32 +64,37 @@ final class UnrecognizedEffectiveStatementImpl extends UnknownEffectiveStatement
     }
 
     @Override
+    @Deprecated
     public SchemaPath getPath() {
         return path;
     }
 
     @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + Objects.hashCode(maybeQNameArgument);
-        result = prime * result + Objects.hashCode(path);
-        result = prime * result + Objects.hashCode(getNodeType());
-        result = prime * result + Objects.hashCode(getNodeParameter());
-        return result;
+    public StatementDefinition statementDefinition() {
+        return getDeclared().statementDefinition();
     }
 
-    @Override
-    public boolean equals(final Object obj) {
-        if (this == obj) {
-            return true;
+    private static QName qnameFromArgument(final StmtContext<String, UnrecognizedStatement, ?> stmt) {
+        final String value = stmt.getStatementArgument();
+        if (value == null || value.isEmpty()) {
+            return stmt.getPublicDefinition().getStatementName();
         }
-        if (!(obj instanceof UnrecognizedEffectiveStatementImpl)) {
-            return false;
+
+        final int colon = value.indexOf(':');
+        if (colon == -1) {
+            if (AbstractQName.isValidLocalName(value)) {
+                return QName.unsafeOf(StmtContextUtils.getRootModuleQName(stmt), value).intern();
+            }
+            return null;
+        }
+
+        final QNameModule qnameModule = StmtContextUtils.getModuleQNameByPrefix(stmt, value.substring(0, colon));
+        if (qnameModule == null) {
+            return null;
         }
-        UnrecognizedEffectiveStatementImpl other = (UnrecognizedEffectiveStatementImpl) obj;
-        return Objects.equals(maybeQNameArgument, other.maybeQNameArgument) && Objects.equals(path, other.path)
-                && Objects.equals(getNodeType(), other.getNodeType())
-                && Objects.equals(getNodeParameter(), other.getNodeParameter());
+
+        final int next = value.indexOf(':', colon + 1);
+        final String localName = next == -1 ? value.substring(colon + 1) : value.substring(colon + 1, next);
+        return QName.create(qnameModule, localName).intern();
     }
 }