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src/java.base/share/classes/java/text/MergeCollation.java

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rev 51919 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: dfuchs, alanb


  75 
  76     /**
  77      * recovers current pattern
  78      */
  79     public String getPattern() {
  80         return getPattern(true);
  81     }
  82 
  83     /**
  84      * recovers current pattern.
  85      * @param withWhiteSpace puts spacing around the entries, and \n
  86      * before & and <
  87      */
  88     public String getPattern(boolean withWhiteSpace) {
  89         StringBuffer result = new StringBuffer();
  90         PatternEntry tmp = null;
  91         ArrayList<PatternEntry> extList = null;
  92         int i;
  93         for (i = 0; i < patterns.size(); ++i) {
  94             PatternEntry entry = patterns.get(i);
  95             if (entry.extension.length() != 0) {
  96                 if (extList == null)
  97                     extList = new ArrayList<>();
  98                 extList.add(entry);
  99             } else {
 100                 if (extList != null) {
 101                     PatternEntry last = findLastWithNoExtension(i-1);
 102                     for (int j = extList.size() - 1; j >= 0 ; j--) {
 103                         tmp = extList.get(j);
 104                         tmp.addToBuffer(result, false, withWhiteSpace, last);
 105                     }
 106                     extList = null;
 107                 }
 108                 entry.addToBuffer(result, false, withWhiteSpace, null);
 109             }
 110         }
 111         if (extList != null) {
 112             PatternEntry last = findLastWithNoExtension(i-1);
 113             for (int j = extList.size() - 1; j >= 0 ; j--) {
 114                 tmp = extList.get(j);
 115                 tmp.addToBuffer(result, false, withWhiteSpace, last);
 116             }
 117             extList = null;
 118         }
 119         return result.toString();
 120     }
 121 
 122     private final PatternEntry findLastWithNoExtension(int i) {
 123         for (--i;i >= 0; --i) {
 124             PatternEntry entry = patterns.get(i);
 125             if (entry.extension.length() == 0) {
 126                 return entry;
 127             }
 128         }
 129         return null;
 130     }
 131 
 132     /**
 133      * emits the pattern for collation builder.
 134      * @return emits the string in the format understable to the collation
 135      * builder.
 136      */
 137     public String emitPattern() {
 138         return emitPattern(true);
 139     }
 140 
 141     /**
 142      * emits the pattern for collation builder.
 143      * @param withWhiteSpace puts spacing around the entries, and \n
 144      * before & and <
 145      * @return emits the string in the format understable to the collation




  75 
  76     /**
  77      * recovers current pattern
  78      */
  79     public String getPattern() {
  80         return getPattern(true);
  81     }
  82 
  83     /**
  84      * recovers current pattern.
  85      * @param withWhiteSpace puts spacing around the entries, and \n
  86      * before & and <
  87      */
  88     public String getPattern(boolean withWhiteSpace) {
  89         StringBuffer result = new StringBuffer();
  90         PatternEntry tmp = null;
  91         ArrayList<PatternEntry> extList = null;
  92         int i;
  93         for (i = 0; i < patterns.size(); ++i) {
  94             PatternEntry entry = patterns.get(i);
  95             if (!entry.extension.isEmpty()) {
  96                 if (extList == null)
  97                     extList = new ArrayList<>();
  98                 extList.add(entry);
  99             } else {
 100                 if (extList != null) {
 101                     PatternEntry last = findLastWithNoExtension(i-1);
 102                     for (int j = extList.size() - 1; j >= 0 ; j--) {
 103                         tmp = extList.get(j);
 104                         tmp.addToBuffer(result, false, withWhiteSpace, last);
 105                     }
 106                     extList = null;
 107                 }
 108                 entry.addToBuffer(result, false, withWhiteSpace, null);
 109             }
 110         }
 111         if (extList != null) {
 112             PatternEntry last = findLastWithNoExtension(i-1);
 113             for (int j = extList.size() - 1; j >= 0 ; j--) {
 114                 tmp = extList.get(j);
 115                 tmp.addToBuffer(result, false, withWhiteSpace, last);
 116             }
 117             extList = null;
 118         }
 119         return result.toString();
 120     }
 121 
 122     private final PatternEntry findLastWithNoExtension(int i) {
 123         for (--i;i >= 0; --i) {
 124             PatternEntry entry = patterns.get(i);
 125             if (entry.extension.isEmpty()) {
 126                 return entry;
 127             }
 128         }
 129         return null;
 130     }
 131 
 132     /**
 133      * emits the pattern for collation builder.
 134      * @return emits the string in the format understable to the collation
 135      * builder.
 136      */
 137     public String emitPattern() {
 138         return emitPattern(true);
 139     }
 140 
 141     /**
 142      * emits the pattern for collation builder.
 143      * @param withWhiteSpace puts spacing around the entries, and \n
 144      * before & and <
 145      * @return emits the string in the format understable to the collation


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