Examples of org.apache.camel.impl.ExpressionAdapter

org.apache.camel.impl.ExpressionAdapter
A helper class for developers wishing to implement an {@link org.apache.camel.Expression}using Java code with a minimum amount of code to write so that the developer only needs to implement one of the {@link #evaluate(org.apache.camel.Exchange,Class)} or{@link #evaluate(org.apache.camel.Exchange,Class)} methods. @version $Revision: 766032 $

     *
     * @param uri endpoint uri to send the exchange to
     * @return an expression object which will return the OUT body
     */
    public static Expression toExpression(final String uri) {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                Endpoint endpoint = exchange.getContext().getEndpoint(uri);
                if (endpoint == null) {
                    throw new NoSuchEndpointException(uri);
                }

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            }
        };
    }


    public static Expression fileNameExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn().getHeader(Exchange.FILE_NAME, String.class);
            }


            @Override

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            }
        };
    }


    public static Expression fileOnlyNameExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                String answer = exchange.getIn().getHeader(Exchange.FILE_NAME_ONLY, String.class);
                if (answer == null) {
                    answer = exchange.getIn().getHeader(Exchange.FILE_NAME, String.class);
                    answer = FileUtil.stripPath(answer);

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            }
        };
    }


    public static Expression fileNameNoExtensionExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                String name = exchange.getIn().getHeader(Exchange.FILE_NAME, String.class);
                return FileUtil.stripExt(name);
            }

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            }
        };
    }


    public static Expression fileOnlyNameNoExtensionExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                String name = fileOnlyNameExpression().evaluate(exchange, String.class);
                return FileUtil.stripExt(name);
            }

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            }
        };
    }


    public static Expression fileExtensionExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                String name = exchange.getIn().getHeader(Exchange.FILE_NAME, String.class);
                if (name != null) {
                    return name.substring(name.lastIndexOf('.') + 1);
                } else {

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            }
        };
    }


    public static Expression fileParentExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn().getHeader("CamelFileParent", String.class);
            }


            @Override

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            }
        };
    }


    public static Expression filePathExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn().getHeader("CamelFilePath", String.class);
            }


            @Override

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            }
        };
    }


    public static Expression fileAbsolutePathExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn().getHeader("CamelFileAbsolutePath", String.class);
            }


            @Override

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            }
        };
    }


    public static Expression fileAbsoluteExpression() {
        return new ExpressionAdapter() {
            public Object evaluate(Exchange exchange) {
                return exchange.getIn().getHeader("CamelFileAbsolute", Boolean.class);
            }


            @Override

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