X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.api%2Fsrc%2Forg%2Fargeo%2Fapi%2Fgcr%2Fspi%2FAbstractContent.java;fp=org.argeo.api%2Fsrc%2Forg%2Fargeo%2Fapi%2Fgcr%2Fspi%2FAbstractContent.java;h=2da186ef2538eb6d2d1f2da67be1d9dae6675d6a;hb=8767858f1fca02ea7c53ca244f6c1fa745d91ac4;hp=0000000000000000000000000000000000000000;hpb=5a36795f16b1b2a58188db84d6546b501626bda8;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.api/src/org/argeo/api/gcr/spi/AbstractContent.java b/org.argeo.api/src/org/argeo/api/gcr/spi/AbstractContent.java
new file mode 100644
index 000000000..2da186ef2
--- /dev/null
+++ b/org.argeo.api/src/org/argeo/api/gcr/spi/AbstractContent.java
@@ -0,0 +1,48 @@
+package org.argeo.api.gcr.spi;
+
+import java.util.AbstractMap;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.argeo.api.gcr.Content;
+
+public abstract class AbstractContent extends AbstractMap<String, Object> implements Content {
+
+	@Override
+	public Set<Entry<String, Object>> entrySet() {
+		Set<Entry<String, Object>> result = new HashSet<>();
+		for (String key : keys()) {
+			Entry<String, Object> entry = new Entry<String, Object>() {
+
+				@Override
+				public String getKey() {
+					return key;
+				}
+
+				@Override
+				public Object getValue() {
+					// TODO check type
+					return get(key, Object.class);
+				}
+
+				@Override
+				public Object setValue(Object value) {
+					throw new UnsupportedOperationException();
+				}
+
+			};
+			result.add(entry);
+		}
+		return result;
+	}
+
+	protected abstract Iterable<String> keys();
+	
+	/*
+	 * UTILITIES
+	 */
+	protected boolean isDefaultAttrTypeRequested(Class<?> clss) {
+		// check whether clss is Object.class 
+		return clss.isAssignableFrom(Object.class);
+	}
+}