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Merged FILE-FOLDER-API (5.2.0) to HEAD (5.2)

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122967 jvonka: RA-766: Update REST fwk - implement "fields" (synonym for deprecated "properties") query param


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@126519 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Jamal Kaabi-Mofrad
2016-05-10 11:18:59 +00:00
parent 6c41c9a1c2
commit f5212b0c8c
1 changed files with 44 additions and 21 deletions
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65
source/java/org/alfresco/rest/framework/webscripts/ResourceWebScriptHelper.java
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@@ -78,31 +78,41 @@ import org.springframework.http.HttpMethod;
* Helps a Webscript with various tasks
*
* @author Gethin James
* @author janv
*/
public class ResourceWebScriptHelper
{
private static Log logger = LogFactory.getLog(ResourceWebScriptHelper.class);
public static final String PARAM_RELATIONS = "relations";
public static final String PARAM_FILTER_PROPS = "properties";
public static final String PARAM_FILTER_FIELDS = "fields";
@Deprecated
public static final String PARAM_FILTER_PROPERTIES = "properties";
public static final String PARAM_PAGING_SKIP = "skipCount";
public static final String PARAM_PAGING_MAX = "maxItems";
public static final String PARAM_ORDERBY = "orderBy";
public static final String PARAM_WHERE = "where";
public static final String PARAM_SELECT = "select";
public static final String PARAM_INCLUDE_SOURCE_ENTITY = "includeSource";
public static final List<String> KNOWN_PARAMS = Arrays.asList(PARAM_RELATIONS,PARAM_FILTER_PROPS,PARAM_PAGING_SKIP,PARAM_PAGING_MAX, PARAM_ORDERBY, PARAM_WHERE, PARAM_SELECT, PARAM_INCLUDE_SOURCE_ENTITY);
public static final List<String> KNOWN_PARAMS = Arrays.asList(
PARAM_RELATIONS, PARAM_FILTER_PROPERTIES, PARAM_FILTER_FIELDS,PARAM_PAGING_SKIP,PARAM_PAGING_MAX,
PARAM_ORDERBY, PARAM_WHERE, PARAM_SELECT, PARAM_INCLUDE_SOURCE_ENTITY);
private ResourceLocator locator;
private ActionExecutor executor;
/**
* Takes the web request and looks for a "filter" parameter Parses the
* parameter and produces a list of bean properties to use as a filter A
* SimpleBeanPropertyFilter it returned that uses the properties If no
* Takes the web request and looks for a "fields" parameter (otherwise deprecated "properties" parameter).
*
* Parses the parameter and produces a list of bean properties to use as a filter A
* SimpleBeanPropertyFilter it returned that uses the bean properties. If no
* filter param is set then a default BeanFilter is returned that will never
* filter properties (ie. Returns all bean properties).
* filter fields (ie. Returns all bean properties).
*
* @param filterParams String
* @return BeanPropertyFilter - if no parameter then returns a new
@@ -114,33 +124,34 @@ public class ResourceWebScriptHelper
}
/**
* Takes the web request and looks for a "filter" parameter Parses the
* parameter and produces a list of bean properties to use as a filter A
* SimpleBeanPropertyFilter it returned that uses the properties If no
* filter param is set then a default BeanFilter is returned that will never
* filter properties (ie. Returns all bean properties).
* Takes the web request and looks for a "fields" parameter (otherwise deprecated "properties" parameter).
*
* If selectList is provided then it will take precedence (ie. be included) over the properties filter
* Parses the parameter and produces a list of bean properties to use as a filter A
* SimpleBeanPropertyFilter it returned that uses the bean properties. If no
* filter param is set then a default BeanFilter is returned that will never
* filter fields (ie. Returns all bean properties).
*
* If selectList is provided then it will take precedence (ie. be included) over the fields/properties filter
* for top-level entries (bean properties).
*
* For example, this will return entries from both select & properties, eg.
*
* select=abc,def&properties=id,name,ghi
*
* Note: it should be noted that API-generic "properties" clause does not currently work for sub-entries.
* Note: it should be noted that API-generic "fields" clause does not currently work for sub-entries.
*
* Hence, even if the API-specific "select" clause allows selection of a sub-entries this cannot be used
* with "properties" filtering. For example, an API-specific method may implement and return "abc/blah", eg.
* with "fields" filtering. For example, an API-specific method may implement and return "abc/blah", eg.
*
* select=abc/blah
*
* However the following will not return "abc/blah" if used with properties filtering, eg.
* However the following will not return "abc/blah" if used with fields filtering, eg.
*
* select=abc/blah&properties=id,name,ghi
* select=abc/blah&fields=id,name,ghi
*
* If properties filtering is desired then it would require "abc" to be selected and returned as a whole, eg.
* If fields filtering is desired then it would require "abc" to be selected and returned as a whole, eg.
*
* select=abc&properties=id,name,ghi
* select=abc&fields=id,name,ghi
*
* @param filterParams
* @param selectList
@@ -157,7 +168,7 @@ public class ResourceWebScriptHelper
filteredProperties.add(st.nextToken());
}
// if supplied, the select takes precedence over properties (filter) for top-level bean properties
// if supplied, the select takes precedence over the filter (fields/properties) for top-level bean properties
if (selectList != null)
{
for (String select : selectList)
@@ -658,7 +669,7 @@ public class ResourceWebScriptHelper
}
/**
* Finds all request parameters that aren't already know about (eg. not paging or filter params)
* Finds all request parameters that aren't already known about (eg. not paging or filter params)
* and returns them for use.
*
* @param req - the WebScriptRequest object
@@ -704,7 +715,19 @@ public class ResourceWebScriptHelper
boolean includeSource = Boolean.valueOf(req.getParameter(ResourceWebScriptHelper.PARAM_INCLUDE_SOURCE_ENTITY));
List<String> theSelect = getSelectClause(req.getParameter(ResourceWebScriptHelper.PARAM_SELECT));
BeanPropertiesFilter filter = getFilter(req.getParameter(ResourceWebScriptHelper.PARAM_FILTER_PROPS), theSelect);
String fields = req.getParameter(ResourceWebScriptHelper.PARAM_FILTER_FIELDS);
String properties = req.getParameter(ResourceWebScriptHelper.PARAM_FILTER_PROPERTIES);
if ((fields != null) && (properties != null))
{
if (logger.isWarnEnabled())
{
logger.warn("Taking 'fields' param [" + fields + "] and ignoring deprecated 'properties' param [" + properties + "]");
}
}
BeanPropertiesFilter filter = getFilter((fields != null ? fields : properties), theSelect);
return new RecognizedParams(requestParams, paging, filter, relationFilter, theSelect, whereQuery, sorting, includeSource);
}