Add possibility to fetch all logged warning programmatically, see #76

openhtmltopdf-core/src/main/java/com/openhtmltopdf/context/StyleReference.java

@@ -26,6 +26,7 @@
 import java.util.logging.Level;
 
 import com.openhtmltopdf.css.sheet.FontFaceRule;
+import com.openhtmltopdf.util.LogMessageId;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
@@ -99,8 +100,8 @@ public void setDocumentContext(SharedContext context, NamespaceHandler nsh, Docu
         AttributeResolver attRes = new StandardAttributeResolver(_nsh, _uac, ui);
 
         List<StylesheetInfo> infos = getStylesheets();
-        
-        XRLog.match("media = " + _context.getMedia());
+
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.MATCH_MEDIA_IS, _context.getMedia());
 
         _matcher = new com.openhtmltopdf.css.newmatch.Matcher(
                 new DOMTreeResolver(), 
@@ -128,7 +129,7 @@ private List<Stylesheet> readAndParseAll(List<StylesheetInfo> infos, String medi
 
                     result.add(sheet);
                 } else {
-                    XRLog.load(Level.WARNING, "Unable to load CSS from "+info.getUri());
+                    XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.LOAD_UNABLE_TO_LOAD_CSS_FROM_URI, info.getUri());
                 }
             }
         }
@@ -212,10 +213,9 @@ public void flushStyleSheets() {
         info.setOrigin(StylesheetInfo.AUTHOR);
         if (_stylesheetFactory.containsStylesheet(uri)) {
             _stylesheetFactory.removeCachedStylesheet(uri);
-            XRLog.cssParse("Removing stylesheet '" + uri + "' from cache by request.");
+            XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.CSS_PARSE_REMOVING_STYLESHEET_URI_FROM_CACHE_BY_REQUEST, uri);
         } else {
-            XRLog.cssParse("Requested removing stylesheet '" + uri + "', but it's not in cache.");
-
+            XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.CSS_PARSE_REQUESTED_REMOVING_STYLESHEET_URI_NOT_IN_CACHE, uri);
         }
     }
 
@@ -264,7 +264,7 @@ private List<StylesheetInfo> getStylesheets() {
         // TODO: here we should also get user stylesheet from userAgent
 
         long el = System.currentTimeMillis() - st;
-        XRLog.load("TIME: parse stylesheets  " + el + "ms");
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.LOAD_PARSE_STYLESHEETS_TIME, el);
 
         return infos;
     }

openhtmltopdf-core/src/main/java/com/openhtmltopdf/context/StylesheetFactoryImpl.java

@@ -31,6 +31,7 @@
 import com.openhtmltopdf.css.sheet.StylesheetInfo;
 import com.openhtmltopdf.extend.UserAgentCallback;
 import com.openhtmltopdf.resource.CSSResource;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 /**
@@ -64,18 +65,16 @@ protected boolean removeEldestEntry(java.util.Map.Entry<String, Stylesheet> elde
 
     public StylesheetFactoryImpl(UserAgentCallback userAgentCallback) {
         _userAgentCallback = userAgentCallback;
-        _cssParser = new CSSParser(new CSSErrorHandler() {
-            public void error(String uri, String message) {
-                XRLog.cssParse(Level.WARNING, "(" + uri + ") " + message);
-            }
+        _cssParser = new CSSParser((uri, message) -> {
+            XRLog.log(Level.WARNING, LogMessageId.LogMessageId2Param.CSS_PARSE_GENERIC_MESSAGE, uri, message);
         });
     }
 
     public Stylesheet parse(Reader reader, StylesheetInfo info) {
         try {
             return _cssParser.parseStylesheet(info.getUri(), info.getOrigin(), reader);
         } catch (IOException e) {
-            XRLog.cssParse(Level.WARNING, "Couldn't parse stylesheet at URI " + info.getUri() + ": " + e.getMessage(), e);
+            XRLog.log(Level.WARNING, LogMessageId.LogMessageId2Param.CSS_PARSE_COULDNT_PARSE_STYLESHEET_AT_URI, info.getUri(), e.getMessage(), e);
             return new Stylesheet(info.getUri(), info.getOrigin());
         }
     }
@@ -170,7 +169,7 @@ public void flushCachedStylesheets() {
      */
     //TODO: this looks a bit odd
     public Stylesheet getStylesheet(StylesheetInfo info) {
-        XRLog.load("Requesting stylesheet: " + info.getUri());
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.LOAD_REQUESTING_STYLESHEET_AT_URI, info.getUri());
 
         Stylesheet s = getCachedStylesheet(info.getUri());
         if (s == null && !containsStylesheet(info.getUri())) {

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/constants/CSSName.java

@@ -24,6 +24,8 @@
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Objects;
+import java.util.logging.Level;
+
 import com.openhtmltopdf.css.parser.CSSErrorHandler;
 import com.openhtmltopdf.css.parser.CSSParser;
 import com.openhtmltopdf.css.parser.PropertyValue;
@@ -42,6 +44,7 @@
 import com.openhtmltopdf.css.sheet.StylesheetInfo;
 import com.openhtmltopdf.css.style.FSDerivedValue;
 import com.openhtmltopdf.css.style.derived.DerivedValueFactory;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 
@@ -1959,11 +1962,8 @@ private static synchronized CSSName addProperty(
     }
 
     static {
-        CSSParser parser = new CSSParser(new CSSErrorHandler() {
-            @Override
-            public void error(String uri, String message) {
-                XRLog.cssParse("(" + uri + ") " + message);
-            }
+        CSSParser parser = new CSSParser((uri, message) -> {
+            XRLog.log(Level.INFO, LogMessageId.LogMessageId2Param.CSS_PARSE_GENERIC_MESSAGE, uri, message);
         });
         for (Iterator<CSSName> i = ALL_PRIMITIVE_PROPERTY_NAMES.values().iterator(); i.hasNext(); ) {
             CSSName cssName = i.next();
@@ -1972,7 +1972,7 @@ public void error(String uri, String message) {
                         cssName, StylesheetInfo.USER_AGENT, cssName.initialValue);
 
                 if (value == null) {
-                    XRLog.exception("Unable to derive initial value for " + cssName);
+                    XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.EXCEPTION_CSS_UNABLE_TO_DERIVE_INITIAL_VALUE_FOR_CLASSNAME, cssName);
                 } else {
                     cssName.initialDerivedValue = DerivedValueFactory.newDerivedValue(
                             null,

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/constants/ValueConstants.java

@@ -23,6 +23,7 @@
 import com.openhtmltopdf.css.parser.CSSPrimitiveValue;
 import com.openhtmltopdf.css.parser.CSSValue;
 import com.openhtmltopdf.util.GeneralUtil;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 import com.openhtmltopdf.util.XRRuntimeException;
 
@@ -120,8 +121,7 @@ public static boolean isAbsoluteUnit(short type) {
             case CSSPrimitiveValue.CSS_STRING:
                 return true;
             case CSSPrimitiveValue.CSS_UNKNOWN:
-                XRLog.cascade(Level.WARNING, "Asked whether type was absolute, given CSS_UNKNOWN as the type. " +
-                        "Might be one of those funny values like background-position.");
+                XRLog.log(Level.WARNING, LogMessageId.LogMessageId0Param.CASCADE_IS_ABSOLUTE_CSS_UNKNOWN_GIVEN);
                 GeneralUtil.dumpShortException(new Exception());
                 // fall-through
             default:

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/newmatch/Matcher.java

@@ -28,12 +28,14 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
+import java.util.logging.Level;
 
 import com.openhtmltopdf.css.constants.MarginBoxName;
 import com.openhtmltopdf.css.extend.AttributeResolver;
 import com.openhtmltopdf.css.extend.StylesheetFactory;
 import com.openhtmltopdf.css.extend.TreeResolver;
 import com.openhtmltopdf.css.sheet.*;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 
@@ -149,7 +151,7 @@ protected Mapper matchElement(Object e) {
     Mapper createDocumentMapper(List<Stylesheet> stylesheets, String medium) {
         java.util.TreeMap<String,Selector> sorter = new java.util.TreeMap<String,Selector>();
         addAllStylesheets(stylesheets, sorter, medium);
-        XRLog.match("Matcher created with " + sorter.size() + " selectors");
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.MATCH_MATCHER_CREATED_WITH_SELECTOR, sorter.size());
         return new Mapper(sorter.values());
     }
 

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/newmatch/Selector.java

@@ -22,6 +22,7 @@
 import com.openhtmltopdf.css.extend.AttributeResolver;
 import com.openhtmltopdf.css.extend.TreeResolver;
 import com.openhtmltopdf.css.sheet.Ruleset;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 import java.util.logging.Level;
@@ -299,7 +300,7 @@ public void setPseudoClass(int pc) {
     public void setPseudoElement(String pseudoElement) {
         if (_pe != null) {
             addUnsupportedCondition();
-            XRLog.match(Level.WARNING, "Trying to set more than one pseudo-element");
+            XRLog.log(Level.WARNING, LogMessageId.LogMessageId0Param.MATCH_TRYING_TO_SET_MORE_THAN_ONE_PSEUDO_ELEMENT);
         } else {
             _specificityD++;
             _pe = pseudoElement;
@@ -408,7 +409,7 @@ Object getAppropriateSibling(Object e, TreeResolver treeRes) {
                 sibling = treeRes.getPreviousSiblingElement(e);
                 break;
             default:
-                XRLog.exception("Bad sibling axis");
+                XRLog.log(Level.WARNING, LogMessageId.LogMessageId0Param.EXCEPTION_SELECTOR_BAD_SIBLING_AXIS);
         }
         return sibling;
     }
@@ -424,7 +425,7 @@ private void addCondition(Condition c) {
         }
         if (_pe != null) {
             conditions.add(Condition.createUnsupportedCondition());
-            XRLog.match(Level.WARNING, "Trying to append conditions to pseudoElement " + _pe);
+            XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.MATCH_TRYING_TO_APPEND_CONDITIONS_TO_PSEUDO_ELEMENT, _pe);
         }
         conditions.add(c);
     }

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/parser/CSSParser.java

@@ -25,6 +25,7 @@
 import com.openhtmltopdf.css.newmatch.Selector;
 import com.openhtmltopdf.css.parser.property.PropertyBuilder;
 import com.openhtmltopdf.css.sheet.*;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.ThreadCtx;
 import com.openhtmltopdf.util.XRLog;
 
@@ -257,7 +258,7 @@ private void import_rule(Stylesheet stylesheet) throws IOException {
                     	String resolved = ThreadCtx.get().sharedContext().getUserAgentCallback().resolveUri(baseUri, uri);
 
                     	if (resolved == null) {
-                    		XRLog.load(Level.INFO, "URI resolver rejected resolving CSS import at (" + uri + ")");
+                    	    XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.LOAD_URI_RESOLVER_REJECTED_RESOLVING_CSS_IMPORT_AT_URI, uri);
                     	}
 
                     	info.setUri(resolved);
@@ -1950,7 +1951,7 @@ private String getTokenValue(Token t, boolean literal) {
                 String uriResolved = ThreadCtx.get().sharedContext().getUserAgentCallback().resolveUri(_URI, uriResult);
 
                 if (uriResolved == null) {
-                	XRLog.load(Level.INFO, "URI resolver rejected resolving URI at (" + uriResult + ") in CSS stylehseet");
+                    XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.LOAD_URI_RESOLVER_REJECTED_RESOLVING_URI_AT_URI_IN_CSS_STYLESHEET, uriResult);
                 }
 
                 return uriResolved == null ? "" : uriResolved;

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/style/CalculatedStyle.java

@@ -52,6 +52,7 @@
 import com.openhtmltopdf.render.FSFont;
 import com.openhtmltopdf.render.FSFontMetrics;
 import com.openhtmltopdf.render.RenderingContext;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 import com.openhtmltopdf.util.XRRuntimeException;
 
@@ -252,9 +253,7 @@ public boolean hasAbsoluteUnit(CSSName cssName) {
         try {
             isAbs = valueByName(cssName).hasAbsoluteUnit();
         } catch (Exception e) {
-            XRLog.layout(Level.WARNING, "Property " + cssName + " has an assignment we don't understand, " +
-                    "and can't tell if it's an absolute unit or not. Assuming it is not. Exception was: " +
-                    e.getMessage());
+            XRLog.log(Level.WARNING, LogMessageId.LogMessageId2Param.LAYOUT_CSS_PROPERTY_HAS_UNPROCESSABLE_ASSIGNMENT, cssName, e.getMessage());
             isAbs = false;
         }
         return isAbs;

openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/style/derived/LengthValue.java

@@ -29,6 +29,7 @@
 import com.openhtmltopdf.css.style.CssContext;
 import com.openhtmltopdf.css.style.DerivedValue;
 import com.openhtmltopdf.css.value.FontSpecification;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 public class LengthValue extends DerivedValue {
@@ -192,23 +193,15 @@ public static float calcFloatProportionalValue(CalculatedStyle style,
                 break;
             default:
                 // nothing to do, we only convert those listed above
-                XRLog.cascade(Level.WARNING,
-                        "Asked to convert " + cssName + " from relative to absolute, " +
-                        " don't recognize the datatype " +
-                        "'" + ValueConstants.stringForSACPrimitiveType(primitiveType) + "' "
-                        + primitiveType + "(" + stringValue + ")");
+                XRLog.log(Level.WARNING, LogMessageId.LogMessageId4Param.CASCADE_UNKNOWN_DATATYPE_FOR_RELATIVE_TO_ABSOLUTE, cssName, ValueConstants.stringForSACPrimitiveType(primitiveType), primitiveType, stringValue);
         }
         //assert (new Float(absVal).intValue() >= 0);
 
         if (XRLog.isLoggingEnabled()) {
             if (cssName == CSSName.FONT_SIZE) {
-                XRLog.cascade(Level.FINEST, cssName + ", relative= " +
-                        relVal + " (" + stringValue + "), absolute= "
-                        + absVal);
+                XRLog.log(Level.FINEST, LogMessageId.LogMessageId4Param.CASCADE_CALC_FLOAT_PROPORTIONAL_VALUE_INFO_FONT_SIZE, cssName, relVal, stringValue, absVal);
             } else {
-                XRLog.cascade(Level.FINEST, cssName + ", relative= " +
-                        relVal + " (" + stringValue + "), absolute= "
-                        + absVal + " using base=" + baseValue);
+                XRLog.log(Level.FINEST, LogMessageId.LogMessageId5Param.CASCADE_CALC_FLOAT_PROPORTIONAL_VALUE_INFO, cssName, relVal, stringValue, absVal, baseValue);
             }
         }
 

openhtmltopdf-core/src/main/java/com/openhtmltopdf/extend/OutputDevice.java

@@ -24,6 +24,7 @@
 import com.openhtmltopdf.css.style.derived.BorderPropertySet;
 import com.openhtmltopdf.css.style.derived.FSLinearGradient;
 import com.openhtmltopdf.render.*;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 import java.awt.*;
@@ -90,7 +91,7 @@ public void paintBackground(
     public void drawImage(FSImage image, int x, int y, boolean interpolate);
 
     default public void drawLinearGradient(FSLinearGradient backgroundLinearGradient, Shape bounds) {
-        XRLog.render(Level.WARNING, "linear-gradient(...) is not supported in this output device");
+    	XRLog.log(Level.WARNING, LogMessageId.LogMessageId0Param.RENDER_LINEAR_GRADIENT_IS_NOT_SUPPORTED);
     }
 
     public void draw(Shape s);

openhtmltopdf-core/src/main/java/com/openhtmltopdf/extend/impl/FSDefaultCacheStore.java

@@ -7,6 +7,7 @@
 
 import com.openhtmltopdf.extend.FSCacheEx;
 import com.openhtmltopdf.extend.FSCacheValue;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 
@@ -20,7 +21,7 @@ public class FSDefaultCacheStore implements FSCacheEx<String, FSCacheValue> {
 
     @Override
     public void put(String key, FSCacheValue value) {
-        XRLog.load(Level.INFO, "Putting key(" + key + ") in cache.");
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId1Param.LOAD_PUTTING_KEY_IN_CACHE, key);
         _store.put(key, value);
     }
 
@@ -38,18 +39,18 @@ public FSCacheValue get(String key, Callable<? extends FSCacheValue> loader) {
                 _store.put(key, value);
             }
         } catch (Exception e) {
-            XRLog.exception("Could not load cache value for key(" + key + ")", e);
+            XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.EXCEPTION_COULD_NOT_CACHE_VALUE_FOR_KEY, key, e);
             value = null;
         }
-        
-        XRLog.load(Level.INFO, (value == null ? "Missed" : "Hit") + " key(" + key + ") from cache.");
+
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId2Param.LOAD_CACHE_HIT_STATUS, (value == null ? "Missed" : "Hit"), key);
         return value;
     }
 
     @Override
     public FSCacheValue get(String key) {
         FSCacheValue value = _store.get(key);
-        XRLog.load(Level.INFO, (value == null ? "Missed" : "Hit") + " key(" + key + ") from cache.");
+        XRLog.log(Level.INFO, LogMessageId.LogMessageId2Param.LOAD_CACHE_HIT_STATUS, (value == null ? "Missed" : "Hit"), key);
         return value;
     }
 }

openhtmltopdf-core/src/main/java/com/openhtmltopdf/layout/InlineBoxing.java

@@ -26,6 +26,7 @@
 import java.util.Map;
 import java.util.logging.Level;
 
+import com.openhtmltopdf.util.LogMessageId;
 import org.w3c.dom.Element;
 
 import com.openhtmltopdf.bidi.BidiSplitter;
@@ -206,10 +207,8 @@ public static void layoutContent(LayoutContext c, BlockBox box, int initialY, in
                                 }
 
                                 if (troublesomeAttemptCount > 5) {
-                                    XRLog.general(Level.SEVERE, 
-                                            "A fatal infinite loop bug was detected in the line breaking " +
-                                            "algorithm for break-word! Start-substring=[" + lbContext.getStartSubstring() + "], " +
-                                            "end=" + lbContext.getEnd());
+                                    XRLog.log(Level.SEVERE, LogMessageId.LogMessageId2Param.GENERAL_FATAL_INFINITE_LOOP_BUG_IN_LINE_BREAKING_ALGO,
+                                            lbContext.getStartSubstring(), lbContext.getEnd());
                                     throw new RuntimeException("Infinite loop bug in break-word line breaking algorithm!");
                                 }
                             }

openhtmltopdf-core/src/main/java/com/openhtmltopdf/layout/Layer.java

@@ -35,6 +35,7 @@
 import com.openhtmltopdf.newtable.TableCellBox;
 import com.openhtmltopdf.render.*;
 import com.openhtmltopdf.render.displaylist.TransformCreator;
+import com.openhtmltopdf.util.LogMessageId;
 import com.openhtmltopdf.util.XRLog;
 
 import java.awt.*;
@@ -616,11 +617,11 @@ private void applyTransformFunctions(float flipFactor, List<PropertyValue> trans
 								params.get(2).getFloatValue(), params.get(3).getFloatValue(),
 								params.get(4).getFloatValue(), params.get(5).getFloatValue()));
 			} else if ("translate".equalsIgnoreCase(fName)) {
-				XRLog.layout(Level.WARNING, "translate function not implemented at this time");
+			    XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.LAYOUT_FUNCTION_NOT_IMPLEMENTED, "translate");
 			} else if ("translateX".equalsIgnoreCase(fName)) {
-				XRLog.layout(Level.WARNING, "translateX function not implemented at this time");
+                XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.LAYOUT_FUNCTION_NOT_IMPLEMENTED, "translateX");
 			} else if ("translateY".equalsIgnoreCase(fName)) {
-				XRLog.layout(Level.WARNING, "translateY function not implemented at this time");
+                XRLog.log(Level.WARNING, LogMessageId.LogMessageId1Param.LAYOUT_FUNCTION_NOT_IMPLEMENTED, "translateY");
 			}
 		}
 	}