1 package org.robolectric.res; 2 3 import javax.annotation.Nonnull; 4 5 public class AttributeResource { 6 public static final String ANDROID_RES_NS_PREFIX = "http://schemas.android.com/apk/res/"; 7 public static final String RES_AUTO_NS_URI = "http://schemas.android.com/apk/res-auto"; 8 9 public static final String NULL_VALUE = "@null"; 10 public static final String EMPTY_VALUE = "@empty"; 11 12 public final @Nonnull ResName resName; 13 public final @Nonnull String value; 14 public final @Nonnull String contextPackageName; 15 private final Integer referenceResId; 16 17 public AttributeResource(@Nonnull ResName resName, @Nonnull String value, @Nonnull String contextPackageName) { 18 this(resName, value, contextPackageName, null); 19 } 20 21 public AttributeResource(@Nonnull ResName resName, @Nonnull String value, @Nonnull String contextPackageName, Integer referenceResId) { 22 this.referenceResId = referenceResId; 23 if (!resName.type.equals("attr")) throw new IllegalStateException("\"" + resName.getFullyQualifiedName() + "\" unexpected"); 24 25 this.resName = resName; 26 this.value = value; 27 this.contextPackageName = contextPackageName; 28 } 29 30 public boolean isResourceReference() { 31 return isResourceReference(value); 32 } 33 34 public @Nonnull ResName getResourceReference() { 35 if (!isResourceReference()) throw new RuntimeException("not a resource reference: " + this); 36 return ResName.qualifyResName(value.substring(1).replace("+", ""), contextPackageName, "style"); 37 } 38 39 public boolean isStyleReference() { 40 return isStyleReference(value); 41 } 42 43 public ResName getStyleReference() { 44 if (!isStyleReference()) throw new RuntimeException("not a style reference: " + this); 45 return ResName.qualifyResName(value.substring(1), contextPackageName, "attr"); 46 } 47 48 public boolean isNull() { 49 return NULL_VALUE.equals(value); 50 } 51 52 public boolean isEmpty() { 53 return EMPTY_VALUE.equals(value); 54 } 55 56 @Override 57 public String toString() { 58 return "Attribute{" + 59 "name='" + resName + '\'' + 60 ", value='" + value + '\'' + 61 ", contextPackageName='" + contextPackageName + '\'' + 62 '}'; 63 } 64 65 public static boolean isResourceReference(String value) { 66 return value.startsWith("@") && !isNull(value); 67 } 68 69 public static @Nonnull ResName getResourceReference(String value, String defPackage, String defType) { 70 if (!isResourceReference(value)) throw new IllegalArgumentException("not a resource reference: " + value); 71 return ResName.qualifyResName(value.substring(1).replace("+", ""), defPackage, defType); 72 } 73 74 public static boolean isStyleReference(String value) { 75 return value.startsWith("?"); 76 } 77 78 public static ResName getStyleReference(String value, String defPackage, String defType) { 79 if (!isStyleReference(value)) throw new IllegalArgumentException("not a style reference: " + value); 80 return ResName.qualifyResName(value.substring(1), defPackage, defType); 81 } 82 83 public static boolean isNull(String value) { 84 return NULL_VALUE.equals(value); 85 } 86 87 public static boolean isEmpty(String value) { 88 return EMPTY_VALUE.equals(value); 89 } 90 91 public Integer getReferenceResId() { 92 return referenceResId; 93 } 94 } 95
