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@@ -1,14 +1,13 @@ |
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package com.esotericsoftware.utils; |
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public class NewerBy |
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public class NewerBy { |
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public static final long MILLISECS_IN_SEC = 1000; |
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public static final long MILLISECS_IN_MIN = 60 * MILLISECS_IN_SEC; |
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public static final long MILLISECS_IN_HOUR = 60 * MILLISECS_IN_MIN; |
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public static final long MILLISECS_IN_DAY = 24 * MILLISECS_IN_HOUR; |
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public static final long MILLISECS_IN_SHORT_MONTH = 28 * MILLISECS_IN_DAY; |
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public static final long MILLISECS_IN_LONG_MONTH = 31 * MILLISECS_IN_DAY; |
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public static final long MILLISECS_IN_YEAR = (long)(365.242 * MILLISECS_IN_DAY); |
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public static final long MILLISECS_IN_YEAR = (long) (365.242 * MILLISECS_IN_DAY); |
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public static final long MILLISECS_IN_AVERAGE_MONTH = MILLISECS_IN_YEAR / 12; |
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public static final long MILLISECS_IN_TWO_AVERAGE_MONTHS = MILLISECS_IN_AVERAGE_MONTH + MILLISECS_IN_AVERAGE_MONTH; |
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@@ -17,83 +16,58 @@ |
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private final Long mToTimeMillis; |
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private final Boolean mNewer; |
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public NewerBy( Long pFromTimeMillis, Long pToTimeMillis ) |
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public NewerBy( Long pFromTimeMillis, Long pToTimeMillis ) { |
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mFromTimeMillis = pFromTimeMillis; |
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mToTimeMillis = pToTimeMillis; |
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if ( (pFromTimeMillis == null) || (pToTimeMillis == null) ) |
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if ( (pFromTimeMillis == null) || (pToTimeMillis == null) ) { |
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mNewer = null; |
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} |
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else |
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} else { |
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mNewer = (pToTimeMillis > pFromTimeMillis); |
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} |
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} |
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public boolean isNewer() |
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public boolean isNewer() { |
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return Boolean.TRUE.equals( mNewer ); |
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} |
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public Long getFromTimeMillis() |
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public Long getFromTimeMillis() { |
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return mFromTimeMillis; |
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} |
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public Long getToTimeMillis() |
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public Long getToTimeMillis() { |
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return mToTimeMillis; |
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} |
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@Override |
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public String toString() |
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if ( mNewer == null ) |
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public String toString() { |
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if ( mNewer == null ) { |
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return "???"; |
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} |
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if ( mToTimeMillis.equals( mFromTimeMillis ) ) |
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if ( mToTimeMillis.equals( mFromTimeMillis ) ) { |
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return "No Difference"; |
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} |
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StringBuilder sb = new StringBuilder(); |
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long zDelta; |
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if ( mNewer ) |
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if ( mNewer ) { |
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sb.append( "Newer" ); |
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zDelta = mToTimeMillis - mFromTimeMillis; |
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} |
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else |
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{ |
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} else { |
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sb.append( "Older" ); |
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zDelta = mFromTimeMillis - mToTimeMillis; |
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} |
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sb.append( " by " ); |
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if ( (zDelta < 0) || (MILLISECS_IN_YEAR < zDelta) ) |
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if ( (zDelta < 0) || (MILLISECS_IN_YEAR < zDelta) ) { |
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sb.append( "more than a year" ); |
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} |
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else if ( MILLISECS_IN_TWO_AVERAGE_MONTHS <= zDelta ) |
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{ |
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} else if ( MILLISECS_IN_TWO_AVERAGE_MONTHS <= zDelta ) { |
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check( sb, zDelta, MILLISECS_IN_AVERAGE_MONTH, "month" ); |
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} |
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else if ( MILLISECS_IN_LONG_MONTH < zDelta ) |
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} else if ( MILLISECS_IN_LONG_MONTH < zDelta ) { |
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sb.append( "more than a month" ); |
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} |
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else if ( MILLISECS_IN_SHORT_MONTH < zDelta ) |
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} else if ( MILLISECS_IN_SHORT_MONTH < zDelta ) { |
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sb.append( "about a month" ); |
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} |
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else if ( !check( sb, zDelta, MILLISECS_IN_DAY, "day" ) ) |
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{ |
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if ( !check( sb, zDelta, MILLISECS_IN_HOUR, "hour" ) ) |
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{ |
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if ( !check( sb, zDelta, MILLISECS_IN_MIN, "minute" ) ) |
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{ |
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if ( !check( sb, zDelta, MILLISECS_IN_SEC, "second" ) ) |
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{ |
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} else if ( !check( sb, zDelta, MILLISECS_IN_DAY, "day" ) ) { |
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if ( !check( sb, zDelta, MILLISECS_IN_HOUR, "hour" ) ) { |
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if ( !check( sb, zDelta, MILLISECS_IN_MIN, "minute" ) ) { |
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if ( !check( sb, zDelta, MILLISECS_IN_SEC, "second" ) ) { |
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sb.append( zDelta ).append( "ms" ); |
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} |
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} |
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@@ -102,23 +76,19 @@ |
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return sb.toString(); |
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} |
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private boolean check( StringBuilder sb, long pDelta, long pDenominator, String pWhat ) |
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{ |
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if ( (pDenominator + pDenominator) <= pDelta ) |
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private boolean check( StringBuilder sb, long pDelta, long pDenominator, String pWhat ) { |
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if ( (pDenominator + pDenominator) <= pDelta ) { |
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sb.append( "about " ).append( roundUp( pDelta, pDenominator ) ).append( " " + pWhat + "s" ); |
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return true; |
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} |
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if ( pDenominator < pDelta ) |
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if ( pDenominator < pDelta ) { |
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sb.append( "more than a " + pWhat ); |
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return true; |
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} |
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return false; |
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} |
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private long roundUp( long pNumerator, long pDenominator ) |
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{ |
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private long roundUp( long pNumerator, long pDenominator ) { |
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return (pNumerator + (pDenominator / 2)) / pDenominator; |
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} |
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} |