org.openqa.selenium.support.pagefactory.internal.LocatingElementHandler.java Source code

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Here is the source code for org.openqa.selenium.support.pagefactory.internal.LocatingElementHandler.java

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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.openqa.selenium.support.pagefactory.internal;

import org.openqa.selenium.NoSuchElementException;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.pagefactory.ElementLocator;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class LocatingElementHandler implements InvocationHandler {
    private final ElementLocator locator;

    public LocatingElementHandler(ElementLocator locator) {
        this.locator = locator;
    }

    @Override
    public Object invoke(Object object, Method method, Object[] objects) throws Throwable {
        WebElement element;
        try {
            element = locator.findElement();
        } catch (NoSuchElementException e) {
            if ("toString".equals(method.getName())) {
                return "Proxy element for: " + locator.toString();
            }
            throw e;
        }

        if ("getWrappedElement".equals(method.getName())) {
            return element;
        }

        try {
            return method.invoke(element, objects);
        } catch (InvocationTargetException e) {
            // Unwrap the underlying exception
            throw e.getCause();
        }
    }
}