01: /*
02: * Copyright 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package com.google.gwt.core.ext;
17:
18: /**
19: * Provides deferred binding property values.
20: */
21: public interface PropertyOracle {
22:
23: /**
24: * Attempts to get a named deferred binding property. Throws
25: * <code>BadPropertyValueException</code> if the property is either
26: * undefined or has a value that is unsupported.
27: *
28: * @param logger the current logger
29: * @param propertyName the name of the property
30: * @return a value for the property
31: */
32: String getPropertyValue(TreeLogger logger, String propertyName)
33: throws BadPropertyValueException;
34: }
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