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fr.opensagres.xdocreport.template.freemarker.FreemarkerDocumentFormatter Maven / Gradle / Ivy
/**
* Copyright (C) 2011-2015 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fr.opensagres.xdocreport.template.freemarker;
import java.util.Collection;
import fr.opensagres.xdocreport.core.utils.StringUtils;
import fr.opensagres.xdocreport.template.TemplateContextHelper;
import fr.opensagres.xdocreport.template.config.ITemplateEngineConfiguration;
import fr.opensagres.xdocreport.template.config.ReplaceText;
import fr.opensagres.xdocreport.template.formatter.AbstractDocumentFormatter;
import fr.opensagres.xdocreport.template.formatter.DirectivesStack;
import fr.opensagres.xdocreport.template.formatter.IfDirective;
import fr.opensagres.xdocreport.template.formatter.LoopDirective;
/**
* Freemarker document formatter used to format fields list with Freemarker syntax + escape XML and another characters.
*/
public class FreemarkerDocumentFormatter
extends AbstractDocumentFormatter
{
private static final String START_ASSIGN_DIRECTIVE = "[#assign ";
private static final String CLOSE_ASSIGN_DIRECTIVE = "]";
private static final String END_ASSIGN_DIRECTIVE = "[/#assign]";
private static final String EQUALS = "=";
private static final String START_LIST_DIRECTIVE = "[#list ";
private static final String AS_DIRECTIVE = " as ";
private static final String END_LIST_DIRECTIVE = "[/#list]";
private static final String DOLLAR_TOTKEN = "${";
protected static final String ITEM_TOKEN = "item_";
private static final String START_ESCAPE = "[#escape any as any";
private static final String XML_ESCAPE = "?xml";
private static final String START_REPLACE_ESCAPE = "?replace('";
private static final String BODY_REPLACE_ESCAPE = "','";
private static final String END_REPLACE_ESCAPE = "')";
private static final String CLOSE_ESCAPE = "]\n";
private static final String END_ESCAPE = "[/#escape]";
private static final String START_IF_DIRECTIVE = "[#if ";
private static final String ELSE_DIRECTIVE = "[#else]";
private static final String END_IF_DIRECTIVE = "[/#if]";
private static final String START_NOESCAPE = "[#noescape]";
private static final String END_NOESCAPE = "[/#noescape]";
private static final String START_NOPARSE = "[#noparse]";
private static final String END_NOPARSE = "[/#noparse]";
private static final String START_CDATA = "[#----]";
public String formatAsFieldItemList( String content, String fieldName, boolean forceAsField )
{
if ( forceAsField )
{
return ITEM_TOKEN + content;
}
if ( !isModelField( content, fieldName ) )
{
return content;
}
int startIndex = content.indexOf( DOLLAR_TOTKEN );
startIndex = startIndex + DOLLAR_TOTKEN.length();
int endIndex = content.indexOf( '}' );
if ( endIndex == -1 )
{
return null;
}
String startContent = content.substring( 0, startIndex );
String endContent = content.substring( endIndex, content.length() );
String contentToFormat = content.substring( startIndex, endIndex );
String formattedContent = StringUtils.replaceAll( contentToFormat, fieldName, getItemToken() + fieldName );
return startContent + formattedContent + endContent;
}
public String getStartLoopDirective( String itemNameList, String listName )
{
StringBuilder result = new StringBuilder( START_LIST_DIRECTIVE );
result.append( listName );
result.append( AS_DIRECTIVE );
result.append( itemNameList );
result.append( ']' );
return result.toString();
}
public String getEndLoopDirective( String itemNameList )
{
return END_LIST_DIRECTIVE;
}
public String getElseDirective()
{
return ELSE_DIRECTIVE;
}
protected boolean isModelField( String content, String fieldName )
{
if ( StringUtils.isEmpty( content ) )
{
return false;
}
int dollarIndex = content.indexOf( DOLLAR_TOTKEN );
if ( dollarIndex == -1 )
{
// Not included to FM directive
return false;
}
int fieldNameIndex = content.indexOf( fieldName );
if ( fieldNameIndex < dollarIndex )
{
// Not included to FM directive
return false;
}
return true;
}
@Override
protected String getItemToken()
{
return ITEM_TOKEN;
}
public void setConfiguration( ITemplateEngineConfiguration configuration )
{
Collection replacment = configuration.getReplacment();
StringBuilder startEscape = new StringBuilder();
if ( !configuration.escapeXML() && replacment.size() < 1 )
{
return;
}
startEscape.append( START_ESCAPE );
if ( configuration.escapeXML() )
{
startEscape.append( XML_ESCAPE );
}
for ( ReplaceText replaceText : replacment )
{
startEscape.append( START_REPLACE_ESCAPE );
startEscape.append( replaceText.getOldText() );
startEscape.append( BODY_REPLACE_ESCAPE );
startEscape.append( replaceText.getNewText() );
startEscape.append( END_REPLACE_ESCAPE );
}
if ( startEscape.length() > 0 )
{
startEscape.append( CLOSE_ESCAPE );
// Freemarker escape+replace must be enclosed with CDATA because replace can contains some XML elements
startEscape.insert( 0, START_CDATA );
startEscape.append( END_CDATA );
setStartDocumentDirective( startEscape.toString() );
setEndDocumentDirective( END_ESCAPE );
}
}
public String getFunctionDirective( boolean noescape, boolean encloseInDirective, String key, String methodName,
String... parameters )
{
StringBuilder directive = new StringBuilder();
if ( noescape )
{
directive.append( START_NOESCAPE );
}
if ( encloseInDirective )
{
directive.append( DOLLAR_TOTKEN );
}
directive.append( key );
directive.append( '.' );
directive.append( methodName );
directive.append( '(' );
if ( parameters != null )
{
for ( int i = 0; i < parameters.length; i++ )
{
if ( i > 0 )
{
directive.append( ',' );
}
directive.append( parameters[i] );
}
}
directive.append( ')' );
if ( encloseInDirective )
{
directive.append( '}' );
}
if ( noescape )
{
directive.append( END_NOESCAPE );
}
return directive.toString();
}
public String formatAsSimpleField( boolean noescape, boolean encloseInDirective, String... fields )
{
StringBuilder field = new StringBuilder();
if ( noescape )
{
field.append( START_NOESCAPE );
}
if ( encloseInDirective )
{
field.append( DOLLAR_TOTKEN );
}
for ( int i = 0; i < fields.length; i++ )
{
if ( i == 0 )
{
field.append( fields[i] );
}
else
{
field.append( '.' );
String f = fields[i];
field.append( f.substring( 0, 1 ).toLowerCase() );
field.append( f.substring( 1, f.length() ) );
}
}
if ( encloseInDirective )
{
field.append( '}' );
}
if ( noescape )
{
field.append( END_NOESCAPE );
}
return field.toString();
}
public String getStartIfDirective( String fieldName, boolean exists )
{
StringBuilder directive = new StringBuilder( START_IF_DIRECTIVE );
directive.append( fieldName );
if ( exists )
{
directive.append( "??" );
}
directive.append( ']' );
return directive.toString();
}
public String getEndIfDirective( String fieldName )
{
return END_IF_DIRECTIVE;
}
public String getLoopCountDirective( String fieldName )
{
StringBuilder directive = new StringBuilder( DOLLAR_TOTKEN );
directive.append( fieldName );
directive.append( "_index" );
directive.append( '}' );
return directive.toString();
}
public boolean containsInterpolation( String content )
{
if ( StringUtils.isEmpty( content ) )
{
return false;
}
int dollarIndex = content.indexOf( DOLLAR_TOTKEN );
if ( dollarIndex == -1 )
{
// Not included to FM directive
return false;
}
return true;
}
public int extractListDirectiveInfo( String content, DirectivesStack directives, boolean dontRemoveListDirectiveInfo )
{
// content='xxxx[#list developers as d]yyy'
int startOfStartListDirectiveIndex = content.indexOf( START_LIST_DIRECTIVE );
int startOfEndListDirectiveIndex = content.indexOf( END_LIST_DIRECTIVE );
int startOfStartIfDirectiveIndex = content.indexOf( START_IF_DIRECTIVE );
int startOfEndIfDirectiveIndex = content.indexOf( END_IF_DIRECTIVE );
DirectiveToParse directiveToParse =
getDirectiveToParse( startOfStartListDirectiveIndex, startOfEndListDirectiveIndex,
startOfStartIfDirectiveIndex, startOfEndIfDirectiveIndex );
if ( directiveToParse == null )
{
return 0;
}
switch ( directiveToParse )
{
case START_LOOP:
return parseStartLoop( content, directives, startOfStartListDirectiveIndex );
case END_LOOP:
return parseEndLoop( content, directives, dontRemoveListDirectiveInfo, startOfEndListDirectiveIndex );
case START_IF:
return parseStartIf( content, directives, startOfStartIfDirectiveIndex );
case END_IF:
return parseEndIf( content, directives, dontRemoveListDirectiveInfo, startOfEndIfDirectiveIndex );
}
return 0;
}
public int parseStartLoop( String content, DirectivesStack directives, int startOfStartListDirectiveIndex )
{
// contentWichStartsWithList='[#list developers as d]yyy'
String contentWhichStartsWithList = content.substring( startOfStartListDirectiveIndex, content.length() );
int endOfStartListDirectiveIndex = contentWhichStartsWithList.indexOf( ']' );
if ( endOfStartListDirectiveIndex == -1 )
{
// [#list not closed with ']'
return 0;
}
// startLoopDirective='[#list developers as d]'
String startLoopDirective = contentWhichStartsWithList.substring( 0, endOfStartListDirectiveIndex + 1 );
// insideLoop='developers as d]'
String insideLoop = startLoopDirective.substring( START_LIST_DIRECTIVE.length(), startLoopDirective.length() );
int indexBeforeAs = insideLoop.indexOf( " " );
if ( indexBeforeAs == -1 )
{
return 0;
}
// afterSequence=' as d]'
String afterSequence = insideLoop.substring( indexBeforeAs, insideLoop.length() );
int indexAfterAs = afterSequence.indexOf( AS_DIRECTIVE );
if ( indexAfterAs == -1 )
{
return 0;
}
// sequence='developpers'
String sequence = insideLoop.substring( 0, indexBeforeAs ).trim();
if ( StringUtils.isEmpty( sequence ) )
{
return 0;
}
// afterAs='d]'
String afterAs = afterSequence.substring( AS_DIRECTIVE.length(), afterSequence.length() );
int endListIndex = afterAs.indexOf( ']' );
if ( endListIndex == -1 )
{
return 0;
}
// item='d'
String item = afterAs.substring( 0, endListIndex ).trim();
if ( StringUtils.isEmpty( item ) )
{
return 0;
}
int nbLoop = 1;
directives.push( new LoopDirective( directives.peekOrNull(), startLoopDirective, getEndLoopDirective( null ),
sequence, item ) );
// afterList = 'yyy'
String afterList =
content.substring( startOfStartListDirectiveIndex + startLoopDirective.length(), content.length() );
nbLoop += extractListDirectiveInfo( afterList, directives );
return nbLoop;
}
public int parseEndLoop( String content, DirectivesStack directives, boolean dontRemoveListDirectiveInfo,
int startOfEndListDirectiveIndex )
{
if ( !dontRemoveListDirectiveInfo && !directives.isEmpty() )
{
// remove the LoopDirective from the stack
directives.pop();
}
// get content after the [/#list]
String afterEndList =
content.substring( END_LIST_DIRECTIVE.length() + startOfEndListDirectiveIndex, content.length() );
int nbLoop = -1;
// parse the content after the [/#list]
nbLoop += extractListDirectiveInfo( afterEndList, directives );
return nbLoop;
}
private int parseStartIf( String content, DirectivesStack directives, int startOfStartIfDirectiveIndex )
{
// contentWichStartsWithList='[#if d]yyy'
String contentWhichStartsWithIf = content.substring( startOfStartIfDirectiveIndex, content.length() );
int endOfStartIfDirectiveIndex = contentWhichStartsWithIf.indexOf( ']' );
if ( endOfStartIfDirectiveIndex == -1 )
{
// [#if not closed with ']'
return 0;
}
// startIfDirective='#if($d)'
String startIfDirective = contentWhichStartsWithIf.substring( 0, endOfStartIfDirectiveIndex + 1 );
// // contentWichStartsWithList='xxx#if($d)yyy'
int nbIf = 1;
directives.push( new IfDirective( directives.peekOrNull(), startIfDirective, getEndIfDirective( null ) ) );
// afterIf = 'yyy'
String afterIf = content.substring( startOfStartIfDirectiveIndex + startIfDirective.length(), content.length() );
nbIf += extractListDirectiveInfo( afterIf, directives );
return nbIf;
}
private int parseEndIf( String content, DirectivesStack directives, boolean dontRemoveListDirectiveInfo,
int startOfEndIfDirectiveIndex )
{
if ( !dontRemoveListDirectiveInfo && !directives.isEmpty() )
{
// remove the LoopDirective from the stack
directives.pop();
}
// get content after the [/#if]
String afterEndList =
content.substring( END_IF_DIRECTIVE.length() + startOfEndIfDirectiveIndex, content.length() );
int nbLoop = -1;
// parse the content after the [/#if]
nbLoop += extractListDirectiveInfo( afterEndList, directives );
return nbLoop;
}
public String extractModelTokenPrefix( String fieldName )
{
if ( fieldName == null )
{
return null;
}
int dollarIndex = fieldName.indexOf( DOLLAR_TOTKEN );
if ( dollarIndex == -1 )
{
return null;
}
int endIndex = fieldName.indexOf( '}' );
if ( endIndex == -1 )
{
return null;
}
String fieldNameWithoutDollar = fieldName.substring( dollarIndex + DOLLAR_TOTKEN.length(), endIndex );
int lastDotIndex = fieldNameWithoutDollar.lastIndexOf( '.' );
if ( lastDotIndex == -1 )
{
return fieldNameWithoutDollar;
}
return fieldNameWithoutDollar.substring( 0, lastDotIndex );
}
public int getIndexOfScript( String fieldName )
{
if ( fieldName == null )
{
return -1;
}
int startIndex = fieldName.indexOf( "[#" );
int endIndex = fieldName.indexOf( "[/#" );
if ( endIndex == -1 )
{
return startIndex;
}
if ( startIndex == -1 )
{
return endIndex;
}
return startIndex < endIndex ? startIndex : endIndex;
}
private String removeInterpolation( String fieldName )
{
if ( fieldName.startsWith( DOLLAR_TOTKEN ) )
{
fieldName = fieldName.substring( DOLLAR_TOTKEN.length(), fieldName.length() );
}
if ( fieldName.endsWith( "}" ) )
{
fieldName = fieldName.substring( 0, fieldName.length() - 1 );
}
return fieldName;
}
public boolean hasDirective( String characters )
{
return characters.indexOf( "[#" ) != -1;
}
public String formatAsCallTextStyling( long variableIndex, String fieldName, String documentKind,
String syntaxKind, boolean syntaxWithDirective, String elementId,
String entryName )
{
StringBuilder newContent = new StringBuilder( START_ASSIGN_DIRECTIVE );
newContent.append( getVariableName( variableIndex ) );
newContent.append( EQUALS );
newContent.append( getFunctionDirective( false, TemplateContextHelper.TEXT_STYLING_REGISTRY_KEY,
TemplateContextHelper.TRANSFORM_METHOD,
removeInterpolation( fieldName ), "\"" + syntaxKind + "\"",
syntaxWithDirective ? StringUtils.TRUE : StringUtils.FALSE, "\""
+ documentKind + "\"", "\"" + elementId + "\"",
TemplateContextHelper.CONTEXT_KEY, "\"" + entryName + "\"" ) );
newContent.append( CLOSE_ASSIGN_DIRECTIVE );
return newContent.toString();
}
public String formatAsTextStylingField( long variableIndex, String property )
{
StringBuilder result = new StringBuilder( START_NOESCAPE );
result.append( formatAsSimpleField( true, getVariableName( variableIndex ), property ) );
result.append( END_NOESCAPE );
return result.toString();
}
public String getSetDirective( String name, String value, boolean valueIsField )
{
StringBuilder newContent = new StringBuilder( START_ASSIGN_DIRECTIVE );
newContent.append( name );
newContent.append( EQUALS );
newContent.append( value );
newContent.append( CLOSE_ASSIGN_DIRECTIVE );
return newContent.toString();
}
public String getStartNoParse()
{
return START_NOPARSE;
}
public String getEndNoParse()
{
return END_NOPARSE;
}
public String getDefineDirective( String name, String value )
{
StringBuilder newContent = new StringBuilder( START_ASSIGN_DIRECTIVE );
newContent.append( name );
newContent.append( CLOSE_ASSIGN_DIRECTIVE );
newContent.append( value );
newContent.append( END_ASSIGN_DIRECTIVE );
return newContent.toString();
}
}
