Bug 5059: Do not fail when 'refine' targets an extension.

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / spi / meta / StmtContextUtils.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java
index 3e830d80c71c2f409bfa19ef090becef6211ee95..05b7f67c333ceab95ede69325755457f7db658c5 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java
@@ -9,6 +9,7 @@ package org.opendaylight.yangtools.yang.parser.spi.meta;
 
 import com.google.common.base.Function;
 import com.google.common.base.Splitter;
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSet.Builder;
 import java.util.Collection;
@@ -81,6 +82,38 @@ public final class StmtContextUtils {
         return null;
     }
 
+    @SuppressWarnings("unchecked")
+    public static <AT, DT extends DeclaredStatement<AT>> Collection<StmtContext<AT, DT, ?>> findAllDeclaredSubstatements(
+            final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {
+        ImmutableList.Builder<StmtContext<AT, DT, ?>> listBuilder = ImmutableList.builder();
+        for (StmtContext<?, ?, ?> subStmtContext : stmtContext.declaredSubstatements()) {
+            if (producesDeclared(subStmtContext, declaredType)) {
+                listBuilder.add((StmtContext<AT, DT, ?>) subStmtContext);
+            }
+        }
+        return listBuilder.build();
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <AT, DT extends DeclaredStatement<AT>> Collection<StmtContext<AT, DT, ?>> findAllEffectiveSubstatements(
+            final StmtContext<?, ?, ?> stmtContext, final Class<DT> type) {
+        ImmutableList.Builder<StmtContext<AT, DT, ?>> listBuilder = ImmutableList.builder();
+        for (StmtContext<?, ?, ?> subStmtContext : stmtContext.effectiveSubstatements()) {
+            if (producesDeclared(subStmtContext, type)) {
+                listBuilder.add((StmtContext<AT, DT, ?>) subStmtContext);
+            }
+        }
+        return listBuilder.build();
+    }
+
+    public static <AT, DT extends DeclaredStatement<AT>> Collection<StmtContext<AT, DT, ?>> findAllSubstatements(
+            final StmtContext<?, ?, ?> stmtContext, final Class<DT> type) {
+        ImmutableList.Builder<StmtContext<AT, DT, ?>> listBuilder = ImmutableList.builder();
+        listBuilder.addAll(findAllDeclaredSubstatements(stmtContext, type));
+        listBuilder.addAll(findAllEffectiveSubstatements(stmtContext, type));
+        return listBuilder.build();
+    }
+
     @SuppressWarnings("unchecked")
     public static <AT,DT extends DeclaredStatement<AT>> StmtContext<AT, ?, ?> findFirstEffectiveSubstatement(
             final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {