org.apache.velocity.context.AbstractContext Java Examples

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Example #1
Source File: ContextTool.java    From velocity-tools with Apache License 2.0 6 votes vote down vote up 
/**
 * Actually do the work of filling in the set of keys
 * for {@link #getKeys} here so subclasses can add keys too.
 * @param keys set to fill with keys
 */
protected void fillKeyset(Set keys)
{
    //NOTE: we don't need to manually add the toolbox keys here
    //      because retrieval of those depends on the context being
    //      a ToolContext which would already give tool keys below

    // recurse down the velocity context collecting keys
    Context velctx = this.context;
    while (velctx != null)
    {
        Object[] ctxKeys = velctx.getKeys();
        keys.addAll(Arrays.asList(ctxKeys));
        if (velctx instanceof AbstractContext)
        {
            velctx = ((AbstractContext)velctx).getChainedContext();
        }
        else
        {
            velctx = null;
        }
    }
}