org.apache.tapestry5.SymbolConstants Maven / Gradle / Ivy
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// Licensed under the Apache License, Version 2.0 (the "License");
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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package org.apache.tapestry5;
import org.apache.tapestry5.internal.services.AssetDispatcher;
import org.apache.tapestry5.services.assets.AssetPathConstructor;
import org.apache.tapestry5.services.assets.ResourceMinimizer;
import org.apache.tapestry5.services.javascript.JavaScriptStack;
/**
* Defines the names of symbols used to configure Tapestry.
*
* @see org.apache.tapestry5.ioc.services.SymbolSource
*/
public class SymbolConstants
{
/**
* A comma separated list of execution modes used to control how the application is initialized.
* Each modes can contribute a list (comma separated) of Module classes to be loaded during startup,
* the order in which they appear is preserved.
* The default value is: production.
*/
public static final String EXECUTION_MODE = "tapestry.execution-mode";
/**
* Indicates whether Tapestry is running in production mode or developer mode. The primary difference is how
* exceptions are reported.
*/
public static final String PRODUCTION_MODE = "tapestry.production-mode";
/**
* A version of {@link #PRODUCTION_MODE} as a symbol reference. This can be used as the default value
* of other symbols, to indicate that their default matches whatever PRODUCTION_MODE is set to, which is quite
* common.
*
* @since 5.2.0
*/
public static final String PRODUCTION_MODE_VALUE = String.format("${%s}", PRODUCTION_MODE);
/**
* If set to "true", then action requests will render a page markup response immediately, rather than sending a
* redirect to render the response. "Action request" is an outdated term for "component event request" (i.e., most
* links and all form submissions).
*
* @deprecated In 5.3, to be removed (along with the support it implies) in 5.4
*/
@Deprecated
public static final String SUPPRESS_REDIRECT_FROM_ACTION_REQUESTS = "tapestry.suppress-redirect-from-action-requests";
/**
* The list of locales supported by the application; locales identified in the incoming request are "narrowed" to
* one of these values. The first locale name in the list is the default locale used when no proper match can be
* found.
*/
public static final String SUPPORTED_LOCALES = "tapestry.supported-locales";
/**
* Controls whether whitespace is compressed by default in templates, or left as is. The factory default is to
* compress whitespace. This can be overridden using the xml:space attribute inside template elements.
*/
public static final String COMPRESS_WHITESPACE = "tapestry.compress-whitespace";
/**
* Time interval defining how often Tapestry will check for updates to local files (including classes). This number
* can be raised in a production environment. The default is "1 s" (one second), which is appropriate for
* development.
*/
public static final String FILE_CHECK_INTERVAL = "tapestry.file-check-interval";
/**
* Time interval that sets how long Tapestry will wait to obtain the exclusive lock needed to check local files. The
* default is "50 ms".
*/
public static final String FILE_CHECK_UPDATE_TIMEOUT = "tapestry.file-check-update-timeout";
/**
* The version number of the core Tapestry framework, or UNKNOWN if the version number is not available (which
* should only occur when developing Tapestry).
*/
public static final String TAPESTRY_VERSION = "tapestry.version";
/**
* The location of the application-wide component messages catalog, relative to the web application context. This
* will normally be WEB-INF/app.properties.
*/
public static final String APPLICATION_CATALOG = "tapestry.app-catalog";
/**
* The charset used when rendering page markup; the charset is also used as the request encoding when handling
* incoming requests. The default is "UTF-8".
*/
public static final String CHARSET = "tapestry.charset";
/**
* Used as the default for the Form's autofocus and clientValidation parameters. If overridden to "false", then
* Forms will not (unless explicitly specified) use client validation or autofocus, which in turn, means that most
* pages with Forms will not make use of the Tapestry JavaScript stack.
*/
public static final String FORM_CLIENT_LOGIC_ENABLED = "tapestry.form-client-logic-enabled";
/**
* Name of page used to report exceptions; the page must implement
* {@link org.apache.tapestry5.services.ExceptionReporter}.
* This is used by the default exception report handler service.
*/
public static final String EXCEPTION_REPORT_PAGE = "tapestry.exception-report-page";
/**
* Identifies the default persistence strategy for all pages that do not provide an override (using this value as
* {@link org.apache.tapestry5.annotations.Meta key}).
*
* @since 5.1.0.0
*/
public static final String PERSISTENCE_STRATEGY = "tapestry.persistence-strategy";
/**
* Minimum output stream size, in bytes, before output is compressed using GZIP. Shorter streams are not compressed.
* Tapestry buffers this amount and switches to a GZIP output stream as needed. The default is "100".
*
* @see #GZIP_COMPRESSION_ENABLED
* @since 5.1.0.0
*/
public static final String MIN_GZIP_SIZE = "tapestry.min-gzip-size";
/**
* Version number integrated into URLs for assets. This should be changed for each release, otherwise
* out-of-date files may be used from the client's local cache (due to far-future expired headers). The default
* value is semi-random and different for each execution, which will adversely affect client caching, but is
* reasonable
* for development.
*
* @see AssetDispatcher
* @see AssetPathConstructor
* @since 5.1.0.0
*/
public static final String APPLICATION_VERSION = "tapestry.application-version";
/**
* Used to omit the normal Tapestry framework generator meta tag. The meta tag is rendered by default, but clients
* who do not wish to advertise their use of Tapestry may set this symbol to "true".
*
* @since 5.1.0.0
*/
public static final String OMIT_GENERATOR_META = "tapestry.omit-generator-meta";
/**
* If "true" (the default) then GZip compression is enabled for dynamic requests and for static assets. If you are
* using a server that handles GZip compression for you, or you don't want to ue the extra processing power
* necessary to GZIP requests, then override this to "false".
*
* @see #MIN_GZIP_SIZE
* @since 5.1.0.0
*/
public static final String GZIP_COMPRESSION_ENABLED = "tapestry.gzip-compression-enabled";
/**
* If "true" (which itself defaults to production mode), then the {@link org.apache.tapestry5.annotations.Secure}
* annotation will be honored. If "false" (i.e., development mode), then the annotation and related HTTP/HTTPS
* logic is ignored.
*
* @since 5.1.0.1
*/
public static final String SECURE_ENABLED = "tapestry.secure-enabled";
/**
* If "true" (the default), then the {@link org.apache.tapestry5.services.PersistentLocale} will be encoded into the
* {@link org.apache.tapestry5.Link} path by the {@link org.apache.tapestry5.services.ComponentEventLinkEncoder}
* service. If overridden to "false" this does not occur, but you should provide a
* {@link org.apache.tapestry5.services.LinkCreationListener2} (registered with the
* {@link org.apache.tapestry5.services.LinkCreationHub}) in order to add the locale as a query parameter (or
* provide some alternate means of persisting the locale between requests).
*
* @since 5.1.0.1
*/
public static final String ENCODE_LOCALE_INTO_PATH = "tapestry.encode-locale-into-path";
/**
* If "true" then JavaScript files in a {@link JavaScriptStack} will be combined into a single virtual JavaScript
* file. Defaults to "true" in production mode.
*
* @since 5.1.0.2
*/
public static final String COMBINE_SCRIPTS = "tapestry.combine-scripts";
/**
* If "true" then Blackbird JavaScript console is enabled.
*
* @since 5.2.0
* @deprecated in 5.3, with no replacement (due to removal of Blackbird console entirely)
*/
public static final String BLACKBIRD_ENABLED = "tapestry.blackbird-enabled";
/**
* The default time interval that cookies created by Tapestry will be kept in the client web browser. The default is
* "7 d" (that is, seven days).
*
* @since 5.2.0
*/
public static final String COOKIE_MAX_AGE = "tapestry.default-cookie-max-age";
/**
* The logical name of the start page, the page that is rendered for the root URL.
*
* @since 5.2.0
*/
public static final String START_PAGE_NAME = "tapestry.start-page-name";
/**
* The default stylesheet automatically injected into every rendered HTML page.
*
* @since 5.2.0
*/
public static final String DEFAULT_STYLESHEET = "tapestry.default-stylesheet";
/**
* The Asset path to the embedded copy of script.aculo.us packaged with Tapestry.
*
* @since 5.2.0
*/
public static final String SCRIPTACULOUS = "tapestry.scriptaculous";
/**
* The Asset path to the embedded datepicker.
*
* @since 5.2.0
*/
public static final String DATEPICKER = "tapestry.datepicker";
/**
* The Asset path to the embedded copy of blackbird packaged with Tapestry.
*
* @since 5.2.0
* @deprecated in 5.3 with no replacement
*/
public static final String BLACKBIRD = "tapestry.blackbird";
/**
* If "true", then JSON page initialization content is compressed; if "false"
* then extra white space is added (pretty printing). Defaults to "true" in production mode.
*
* @since 5.2.0
*/
public static final String COMPACT_JSON = "tapestry.compact-json";
/**
* If "true" and {@link #PRODUCTION_MODE} is off, comments will be rendered before and after the rendering of any
* component
* allowing more visibility into which components rendered which markup. Defaults to "false". Component render
* tracing may be
* enabled per-request by the presence of a request parameter "t:component-trace" with a value of "true".
*
* @since 5.2.5
*/
public static final String COMPONENT_RENDER_TRACING_ENABLED = "tapestry.component-render-tracing-enabled";
/**
* The hostname that application should use when constructing an absolute URL. The default is "", i.e. an empty
* string,
* in which case system will use request.getServerName(). Not the same as environment variable HOSTNAME, but you can
* also
* contribute "$HOSTNAME" as the value to make it the same as the environment variable HOSTNAME.
*
* @since 5.3
*/
public static final String HOSTNAME = "tapestry.hostname";
/**
* The hostport that application should use when constructing an absolute URL. The default is "0", i.e. use the port
* value from
* the request.
*
* @since 5.3
*/
public static final String HOSTPORT = "tapestry.hostport";
/**
* The secure (https) hostport that application should use when constructing an absolute URL. The default is "0",
* i.e. use
* the value from the request.
*
* @since 5.3
*/
public static final String HOSTPORT_SECURE = "tapestry.hostport-secure";
/**
* If "true", then resources (individually or when aggregated into stacks) will be minimized via the
* {@link ResourceMinimizer} service. If "false", then minification is disabled. Tracks production mode
* (minification is normally disabled in development mode).
*
* Note that Tapestry's default implementation of {@link ResourceMinimizer} does nothing; minification is provided
* by add-on libraries.
*
* @since 5.3
*/
public static final String MINIFICATION_ENABLED = "tapestry.enable-minification";
/**
* If "true" then at the end of each request the
* {@link org.apache.tapestry5.services.SessionPersistedObjectAnalyzer} will be called on each session persisted
* object that was accessed during the request.
*
* This is provided as a performance enhancement for servers that do not use clustered sessions.
*
* The default is {@code true}, to preserve 5.2 behavior. For non-clustered applications (the majority), this value should be
* overridden to {@code false}. A future release of Tapestry may change the default.
*
* @since 5.3
*/
public static final String CLUSTERED_SESSIONS = "tapestry.clustered-sessions";
/**
* The fix for TAP5-1596 means that component ids referenced
* by event handler methods (either the naming convention, or the {@link org.apache.tapestry5.annotations.OnEvent} annotation)
* can cause a page load error if there is no matching component in the component's template. Although this is correct behavior,
* it can make the upgrade from 5.2 to 5.3 difficult if an existing app had some "left over" event handler methods. Changing
* this symbol to {@code false} is a temporary approach to resolving this problem.
*
* This symbol will be ignored in release 5.4 and removed in 5.5.
*
* @since 5.3
* @deprecated Deprecated in 5.3, a future release will always enforce that component ids referenced by event handler methods actually exist.
*/
@Deprecated
public static final String UNKNOWN_COMPONENT_ID_CHECK_ENABLED = "tapestry.compatibility.unknown-component-id-check-enabled";
/**
* The name of a folder in which the Tapestry application executes. Prior to 5.3, a Tapestry application always responded to all
* URLs in the context under the context root; by setting this to the name of a folder, the T5 URLs will be inside that folder only, and should
* match a corresponding entry in the {@code web.xml} configuration file. This is useful when running multiple servlets within the same web application (such as when migrating
* from Tapestry 4 or some other framework, to Tapestry 5).
* Effectively, if this symbol is set to a value, that folder name will be placed after the context path
* (typically "/") and before the locale, page name, or other prefix. For example, if this symbol is set to "app", the {@code web.xml } should be set to {@code /app/*}, and Tapestry will
* only be in invoked by the servlet container for requests inside the virtual {@code app} folder.
*
* This also affects the search for page templates (which are allowed within the web context). When set to a non-blank value, page templates are searched for in the folder, rather than in the root context.
*
* The default value is the empty string, which preserves Tapestry 5.2 behavior (and continues to be appropriate for most applications).
*
* Note that while Tapestry is case-insensitive, the servlet container is not, so the configured value must exactly match
* the folder name inside the {@code } value, including case.
*
* @since 5.3
*/
public static final String APPLICATION_FOLDER = "tapestry.application-folder";
/**
* Boolean value to indicate if every {@link org.apache.tapestry5.Asset2} should be fully qualified or not.
* Default to false meaning no Asset URL will be fully qualified.
* @since 5.3
*/
public static final String ASSET_URL_FULL_QUALIFIED = "tapestry.asset-url-fully-qualified";
/**
* Prefix to be used for all asset paths
*/
public static final String ASSET_PATH_PREFIX = "tapestry.asset-path-prefix";
/**
* A passphrase used as the basis of hash-based message authentication (HMAC) for any object stream data stored on
* the client. The default phrase is the empty string, which will result in a logged runtime error.
* You should configure this to a reasonable value (longer is better) and ensure that all servers in your cluster
* share the same value (configuring this in code, rather than the command line, is preferred).
*
* @see org.apache.tapestry5.services.ClientDataEncoder
* @since 5.3.6
*/
public static final String HMAC_PASSPHRASE = "tapestry.hmac-passphrase";
}
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