org.apache.jackrabbit.oak.nodestate.NodeStateHelper Maven / Gradle / Ivy
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* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.jackrabbit.oak.nodestate;
import static java.lang.Integer.getInteger;
import org.apache.jackrabbit.oak.api.PropertyState;
import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry;
import org.apache.jackrabbit.oak.spi.state.NodeState;
public abstract class NodeStateHelper {
private static final int CHILDREN_CAP = getInteger("oak.children.cap", 100);
public static String nodeStateToString(NodeState state) {
if (!state.exists()) {
return "{N/A}";
}
StringBuilder builder = new StringBuilder("{");
String separator = " ";
for (PropertyState property : state.getProperties()) {
builder.append(separator);
separator = ", ";
try {
builder.append(property);
} catch (Throwable t) {
builder.append(property.getName());
builder.append(" = { ERROR on property: ");
builder.append(t.getMessage());
builder.append(" }");
}
}
int count = CHILDREN_CAP;
for (ChildNodeEntry entry : state.getChildNodeEntries()) {
if (count-- == 0) {
builder.append("...");
break;
}
builder.append(separator);
separator = ", ";
try {
builder.append(childNodeEntryToString(entry));
} catch (Throwable t) {
builder.append(entry.getName());
builder.append(" = { ERROR on node: ");
builder.append(t.getMessage());
builder.append(" }");
}
}
builder.append(" }");
return builder.toString();
}
public static String childNodeEntryToString(ChildNodeEntry entry) {
String name = entry.getName();
NodeState state = entry.getNodeState();
if (state.getChildNodeCount(1) == 0) {
return name + " : " + nodeStateToString(state);
} else {
return name + " = { ... }";
}
}
}