Bug 176786 Issue when use ${env.working.folder} as context path.[0601]
Description: Issue when use ${env.working.folder} as context path Build number:2.2.0.v20070308 Steps to reproduce: 1. Add environment variable as below: env.working.folder(D:\temp\working_folder) env.document.folder (D:\temp\document_folder) env.image.folder(D:\temp\image_folder) 2. Deploy WebViewerExample folder in Tomcat5.5.7 2. Set context parameter as attached with form like ${env.working.folder}. 3. Start Server Expected result: Content inside WebViewerExample folder is untouched. Actual result: After server is started, refresh and check the WebViewerExample folder. Only webcontent and WEB-INF folders are left, other folders and two sample reports disappear. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
public static final String PARAM_TARGET = "__target"; 
	/**
	 * URL parameter name to indicate whether cache the parameter.
	 */
	public static final String PARAM_NOCACHE_PARAMETER = "__nocache"; 
	/**
	 * Custom request headers to identify the request is a normal HTTP request
	 * or a soap request by AJAX.
	 */
	public static final String HEADER_REQUEST_TYPE = "request-type"; 
	/**
	 * The request type of "soap".
	 */
	public static final String HEADER_REQUEST_TYPE_SOAP = "soap"; 
	/**
	 * Parameter name that gives the IID of the export data form.
	 */
	public static final String PARAM_IID = "iid"; 
	/**
	 * Parameter name that gives the result set names of the export data form.
	 */
	public static final String PARAM_RESULTSETNAME = "ResultSetName"; 
	/**
	 * Parameter name that gives the selected column numbers of the export data
	 * form.
	 */
	public static final String PARAM_SELECTEDCOLUMNNUMBER = "SelectedColumnNumber"; 
	/**
	 * Parameter name that gives the selected column names of the export data
	 * form.