Merge branch 'version4' into dev

1 files changed, 98 insertions, 0 deletions

diff --git a/src/main/java/ftbsc/lll/proxies/impl/FieldProxy.java b/src/main/java/ftbsc/lll/proxies/impl/FieldProxy.java
new file mode 100644
index 0000000..ceb8277
--- /dev/null
+++ b/src/main/java/ftbsc/lll/proxies/impl/FieldProxy.java
@@ -0,0 +1,98 @@
+package ftbsc.lll.proxies.impl;
+
+import ftbsc.lll.proxies.AbstractProxy;
+import ftbsc.lll.proxies.ProxyType;
+import ftbsc.lll.proxies.QualifiableProxy;
+import org.objectweb.asm.Type;
+
+import java.lang.reflect.Field;
+
+/**
+ * A container for information about class fields to be used
+ * in ASM patching.
+ * @since 0.3.0
+ */
+public class FieldProxy extends AbstractProxy {
+	/**
+	 * Protected constructor, called only from the builder.
+	 * @param name the name of the field
+	 * @param descriptor the descriptor of the field
+	 * @param modifiers the modifiers of the field
+	 * @param parent the {@link QualifiableProxy} for the parent
+	 */
+	protected FieldProxy(String name, String descriptor, int modifiers, QualifiableProxy parent) {
+		super(name, descriptor, modifiers, parent, ProxyType.FIELD);
+	}
+
+	/**
+	 * A public constructor, builds a proxy from a {@link Field}
+	 * obtained from reflection.
+	 * @param f the {@link Field} object corresponding to this.
+	 */
+	public FieldProxy(Field f) {
+		this(f.getName(), Type.getDescriptor(f.getType()), f.getModifiers(), TypeProxy.from(f.getDeclaringClass()));
+	}
+
+	/**
+	 * Returns a new instance of {@link FieldProxy.Builder}.
+	 * @param name the name of the field
+	 * @return the builder object for field proxies
+	 */
+	public static Builder builder(String name) {
+		return new Builder(name);
+	}
+
+	/**
+	 * Indicates whether the given object is a proxy for the same element as this.
+	 * @param obj the object to perform
+	 * @return true if it's equal
+	 */
+	@Override
+	public boolean equals(Object obj) {
+		return obj instanceof FieldProxy && super.equals(obj);
+	}
+
+	/**
+	 * A builder object for {@link FieldProxy}.
+	 */
+	public static class Builder extends AbstractProxy.Builder<FieldProxy> {
+		/**
+		 * The constructor of the builder, used only internally.
+		 * @param name the name of the field
+		 */
+		Builder(String name) {
+			super(name);
+		}
+
+		/**
+		 * Sets the parent class of this field to the one described by the
+		 * fully qualified name and with the given modifiers.
+		 * @param parentFQN the fully qualified name of the parent
+		 * @param modifiers the modifiers of the parent
+		 * @return the builder's state after the change
+		 */
+		public Builder setParent(String parentFQN, int modifiers) {
+			super.setParent(TypeProxy.from(parentFQN, 0, modifiers));
+			return this;
+		}
+
+		/**
+		 * Sets the parent class of this field to the one described by the
+		 * fully qualified name.
+		 * @param parentFQN the fully qualified name of the parent
+		 * @return the builder's state after the change
+		 */
+		public Builder setParent(String parentFQN) {
+			return this.setParent(parentFQN, 0);
+		}
+
+		/**
+		 * Builds a {@link FieldProxy} of the given kind.
+		 * @return the built {@link FieldProxy}
+		 */
+		@Override
+		public FieldProxy build() {
+			return new FieldProxy(this.name, this.descriptor, this.modifiers, this.parent);
+		}
+	}
+}